c C
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.151129.004.break と exit の違い / rb
06.151129.003.puts と ハッシュ / rb
06.151129.002.正方形の形をした領域内のSelf-avoiding walk(3) / rb
06.151129.001.二等辺三角形の形をした領域内のSelf-avoiding walk(4) / rb
06.151128.004.正方形の形をした領域内のSelf-avoiding walk(2) / rb
06.151128.003.（辺が斜めの）正方形の形をした領域内のSelf-avoiding walk(2) / rb
06.151128.002.（辺が斜めの）正方形の形をした領域内のSelf-avoiding walk(1) / rb
06.151128.001.正方形の形をした領域内のSelf-avoiding walk(1) / rb
06.151127.001.二等辺三角形の形をした領域内のSelf-avoiding walk(3) / rb
06.151125.002.二等辺三角形の形をした領域内のSelf-avoiding walk(2) / rb
06.151125.001.二等辺三角形の形をした領域内のSelf-avoiding walk(1) / rb
06.151124.001.Dyck path とSelf-avoiding walk の融合(7) / rb
06.151123.006.Dyck path とSelf-avoiding walk の融合(6) / c
06.151123.005.Dyck path とSelf-avoiding walk の融合(5) / c
06.151123.004.Dyck path とSelf-avoiding walk の融合(4) / rb
06.151123.003.Dyck path とSelf-avoiding walk の融合(3) / rb
06.151123.002.Dyck path とSelf-avoiding walk の融合(2) / rb
06.151123.001.Dyck path とSelf-avoiding walk の融合(1) / rb
06.151122.003.直角二等辺三角形の形をした領域内のSelf-avoiding walk(4) / rb
06.151122.002.直角二等辺三角形の形をした領域内のSelf-avoiding walk(3) / rb
06.151122.001.直角二等辺三角形の形をした領域内のSelf-avoiding walk(2) / c
06.151121.003.直角二等辺三角形の形をした領域内のSelf-avoiding walk(1) / rb
06.151121.002.Self-avoiding walk(6) / rb
06.151121.001.Self-avoiding walk(5) / c
06.151118.002.Self-avoiding walk(4) / c
06.151118.001.Self-avoiding walk(3) / c
06.151117.002.Self-avoiding walk(2) / c
06.151117.001.Self-avoiding walk(1) / c
06.151116.001.Number of weakly unimodal partitions of n(2) / rb
06.151115.002.Number of weakly unimodal partitions of n(1) / rb
06.151115.001.Dixon's identity / rb
06.151114.002.Number of directed Hamiltonian paths in mxn grid graph(2) / c
06.151114.001.Number of directed Hamiltonian paths in mxn grid graph(1) / c
06.151113.001.Number of smooth weakly unimodal compositions of n into positive parts such that the first and last part are 1 / rb
06.151109.004.Number of partitions of n into fourth powers / rb
06.151109.003.Number of partitions of n into cubes / rb
06.151109.002.Number of partitions of n into squares / rb
06.151109.001.Number of palindromic and unimodal compositions of n / rb
06.151108.005.Polite number(5) / rb
06.151108.004.Polite number(4) / rb
06.151108.003.Polite number(3)
06.151108.002.Polite number(2) / rb
06.151108.001.約数の出力 / rb
06.151107.003.Polite number(1) / rb
06.151107.002.(-1)^k (n / k) の和 / rb
06.151107.001.n / k の和 / rb
06.151104.001.Kolakoski sequence(2) / rb
06.151103.002.Kolakoski sequence(1) / rb
06.151103.001.Gauss circle problem(4) / rb
06.151102.001.Gauss circle problem(3) / rb
06.151101.001.Gauss circle problem(2) / rb
06.151031.001.Alternating permutation / rb
06.151025.001.線対称に分割 / rb
06.151024.002.Number of times k is used in writing out all the numbers 0 through n(3)
06.151024.001.Number of times k is used in writing out all the numbers 0 through n(2) / rb
06.151023.001.Number of times k is used in writing out all the numbers 0 through n(1) / rb
06.151022.002.Number of times k is used in writing out all the numbers 1 through n(12)
06.151022.001.Number of times k is used in writing out all the numbers 1 through n(11) / rb
06.151021.001.Number of times k is used in writing out all the numbers 1 through n(10)
06.151020.001.Number of times k is used in writing out all the numbers 1 through n(9) / rb
06.151018.002.Number of times k is used in writing out all the numbers 1 through n(8) / rb
06.151018.001.Number of times k is used in writing out all the numbers 1 through n(7) / rb
06.151013.002.Number of times k is used in writing out all the numbers 1 through n(6) / rb
06.151013.001.Number of times k is used in writing out all the numbers 1 through n(5) / rb
06.151012.007.Number of times k is used in writing out all the numbers 1 through n(4) / rb
06.151012.006.Number of times k is used in writing out all the numbers 1 through n(3) / rb
06.151012.005.Number of times k is used in writing out all the numbers 1 through n(2) / rb
06.151012.004.Number of times k is used in writing out all the numbers 1 through n(1) / rb
06.151012.003.Number of times 1 is used in writing out all the numbers 1 through n(7) / rb
06.151012.002.Number of times 1 is used in writing out all the numbers 1 through n(6) / rb
06.151012.001.Number of times 1 is used in writing out all the numbers 1 through n(5) / rb
06.151011.005.Number of times 1 is used in writing out all the numbers 1 through n(4) / rb
06.151011.004.Number of times 1 is used in writing out all the numbers 1 through n(3) / rb
06.151011.003.Number of times 1 is used in writing out all the numbers 1 through n(2) / rb
06.151011.002.Number of times 1 is used in writing out all the numbers 1 through n(1) / rb
06.151011.001.整数零点 / rb
06.151004.004.素数が無数に存在すること(2) / rb
06.151004.003.素数が無数に存在すること(1) / rb
06.151004.002.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(2) / rb
06.151004.001.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(1) / rb
06.150929.001.オイラー関数のベキ(3) / rb
06.150927.002.オイラー関数のベキ(2) / rb
06.150927.001.k角数定理？ / rb
06.150924.001.オイラー関数のベキ(1) / rb
06.150922.002.フリーマン・ダイソンによるτ関数に関する公式 / rb
06.150922.001.Ulam spiral / rb
06.150921.003.階段状に現れるフィボナッチ数列 / rb
06.150921.002.縦読み、横読みの一般化 / rb
06.150921.001.Half-Catalan number / rb
06.150920.001.分割が絡んだ係数について / rb
06.150919.001.二重根号が外れてきれいになる式 / rb
06.150915.001.ラマヌジャンが見つけた等式 / rb
06.150914.002.xx + 27yy 型の素数 / rb
06.150914.001.Number of knight's tours on a m×n chessboard(3) / c
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem(1) / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.151129.001.この記事
09.151108.001.
09.151031.001.
09.151012.001.
09.150927.001.
09.150913.001.
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
2015年11月8日日曜日
151108
c C
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.151108.005.Polite number(5) / rb
06.151108.004.Polite number(4) / rb
06.151108.003.Polite number(3)
06.151108.002.Polite number(2) / rb
06.151108.001.約数の出力 / rb
06.151107.003.Polite number(1) / rb
06.151107.002.(-1)^k (n / k) の和 / rb
06.151107.001.n / k の和 / rb
06.151104.001.Kolakoski sequence(2) / rb
06.151103.002.Kolakoski sequence(1) / rb
06.151103.001.Gauss circle problem(4) / rb
06.151102.001.Gauss circle problem(3) / rb
06.151101.001.Gauss circle problem(2) / rb
06.151031.001.Alternating permutation / rb
06.151025.001.線対称に分割 / rb
06.151024.002.Number of times k is used in writing out all the numbers 0 through n(3)
06.151024.001.Number of times k is used in writing out all the numbers 0 through n(2) / rb
06.151023.001.Number of times k is used in writing out all the numbers 0 through n(1) / rb
06.151022.002.Number of times k is used in writing out all the numbers 1 through n(12)
06.151022.001.Number of times k is used in writing out all the numbers 1 through n(11) / rb
06.151021.001.Number of times k is used in writing out all the numbers 1 through n(10)
06.151020.001.Number of times k is used in writing out all the numbers 1 through n(9) / rb
06.151018.002.Number of times k is used in writing out all the numbers 1 through n(8) / rb
06.151018.001.Number of times k is used in writing out all the numbers 1 through n(7) / rb
06.151013.002.Number of times k is used in writing out all the numbers 1 through n(6) / rb
06.151013.001.Number of times k is used in writing out all the numbers 1 through n(5) / rb
06.151012.007.Number of times k is used in writing out all the numbers 1 through n(4) / rb
06.151012.006.Number of times k is used in writing out all the numbers 1 through n(3) / rb
06.151012.005.Number of times k is used in writing out all the numbers 1 through n(2) / rb
06.151012.004.Number of times k is used in writing out all the numbers 1 through n(1) / rb
06.151012.003.Number of times 1 is used in writing out all the numbers 1 through n(7) / rb
06.151012.002.Number of times 1 is used in writing out all the numbers 1 through n(6) / rb
06.151012.001.Number of times 1 is used in writing out all the numbers 1 through n(5) / rb
06.151011.005.Number of times 1 is used in writing out all the numbers 1 through n(4) / rb
06.151011.004.Number of times 1 is used in writing out all the numbers 1 through n(3) / rb
06.151011.003.Number of times 1 is used in writing out all the numbers 1 through n(2) / rb
06.151011.002.Number of times 1 is used in writing out all the numbers 1 through n(1) / rb
06.151011.001.整数零点 / rb
06.151004.004.素数が無数に存在すること(2) / rb
06.151004.003.素数が無数に存在すること(1) / rb
06.151004.002.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(2) / rb
06.151004.001.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(1) / rb
06.150929.001.オイラー関数のベキ(3) / rb
06.150927.002.オイラー関数のベキ(2) / rb
06.150927.001.k角数定理？ / rb
06.150924.001.オイラー関数のベキ(1) / rb
06.150922.002.フリーマン・ダイソンによるτ関数に関する公式 / rb
06.150922.001.Ulam spiral / rb
06.150921.003.階段状に現れるフィボナッチ数列 / rb
06.150921.002.縦読み、横読みの一般化 / rb
06.150921.001.Half-Catalan number / rb
06.150920.001.分割が絡んだ係数について / rb
06.150919.001.二重根号が外れてきれいになる式 / rb
06.150915.001.ラマヌジャンが見つけた等式 / rb
06.150914.002.xx + 27yy 型の素数 / rb
06.150914.001.Number of knight's tours on a m×n chessboard(3) / c
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem(1) / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.151108.001.この記事
09.151031.001.
09.151012.001.
09.150927.001.
09.150913.001.
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.151108.005.Polite number(5) / rb
06.151108.004.Polite number(4) / rb
06.151108.003.Polite number(3)
06.151108.002.Polite number(2) / rb
06.151108.001.約数の出力 / rb
06.151107.003.Polite number(1) / rb
06.151107.002.(-1)^k (n / k) の和 / rb
06.151107.001.n / k の和 / rb
06.151104.001.Kolakoski sequence(2) / rb
06.151103.002.Kolakoski sequence(1) / rb
06.151103.001.Gauss circle problem(4) / rb
06.151102.001.Gauss circle problem(3) / rb
06.151101.001.Gauss circle problem(2) / rb
06.151031.001.Alternating permutation / rb
06.151025.001.線対称に分割 / rb
06.151024.002.Number of times k is used in writing out all the numbers 0 through n(3)
06.151024.001.Number of times k is used in writing out all the numbers 0 through n(2) / rb
06.151023.001.Number of times k is used in writing out all the numbers 0 through n(1) / rb
06.151022.002.Number of times k is used in writing out all the numbers 1 through n(12)
06.151022.001.Number of times k is used in writing out all the numbers 1 through n(11) / rb
06.151021.001.Number of times k is used in writing out all the numbers 1 through n(10)
06.151020.001.Number of times k is used in writing out all the numbers 1 through n(9) / rb
06.151018.002.Number of times k is used in writing out all the numbers 1 through n(8) / rb
06.151018.001.Number of times k is used in writing out all the numbers 1 through n(7) / rb
06.151013.002.Number of times k is used in writing out all the numbers 1 through n(6) / rb
06.151013.001.Number of times k is used in writing out all the numbers 1 through n(5) / rb
06.151012.007.Number of times k is used in writing out all the numbers 1 through n(4) / rb
06.151012.006.Number of times k is used in writing out all the numbers 1 through n(3) / rb
06.151012.005.Number of times k is used in writing out all the numbers 1 through n(2) / rb
06.151012.004.Number of times k is used in writing out all the numbers 1 through n(1) / rb
06.151012.003.Number of times 1 is used in writing out all the numbers 1 through n(7) / rb
06.151012.002.Number of times 1 is used in writing out all the numbers 1 through n(6) / rb
06.151012.001.Number of times 1 is used in writing out all the numbers 1 through n(5) / rb
06.151011.005.Number of times 1 is used in writing out all the numbers 1 through n(4) / rb
06.151011.004.Number of times 1 is used in writing out all the numbers 1 through n(3) / rb
06.151011.003.Number of times 1 is used in writing out all the numbers 1 through n(2) / rb
06.151011.002.Number of times 1 is used in writing out all the numbers 1 through n(1) / rb
06.151011.001.整数零点 / rb
06.151004.004.素数が無数に存在すること(2) / rb
06.151004.003.素数が無数に存在すること(1) / rb
06.151004.002.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(2) / rb
06.151004.001.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(1) / rb
06.150929.001.オイラー関数のベキ(3) / rb
06.150927.002.オイラー関数のベキ(2) / rb
06.150927.001.k角数定理？ / rb
06.150924.001.オイラー関数のベキ(1) / rb
06.150922.002.フリーマン・ダイソンによるτ関数に関する公式 / rb
06.150922.001.Ulam spiral / rb
06.150921.003.階段状に現れるフィボナッチ数列 / rb
06.150921.002.縦読み、横読みの一般化 / rb
06.150921.001.Half-Catalan number / rb
06.150920.001.分割が絡んだ係数について / rb
06.150919.001.二重根号が外れてきれいになる式 / rb
06.150915.001.ラマヌジャンが見つけた等式 / rb
06.150914.002.xx + 27yy 型の素数 / rb
06.150914.001.Number of knight's tours on a m×n chessboard(3) / c
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem(1) / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.151108.001.この記事
09.151031.001.
09.151012.001.
09.150927.001.
09.150913.001.
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
2015年10月31日土曜日
151031
c C
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.151031.001.Alternating permutation / rb
06.151025.001.線対称に分割 / rb
06.151024.002.Number of times k is used in writing out all the numbers 0 through n(3)
06.151024.001.Number of times k is used in writing out all the numbers 0 through n(2) / rb
06.151023.001.Number of times k is used in writing out all the numbers 0 through n(1) / rb
06.151022.002.Number of times k is used in writing out all the numbers 1 through n(12)
06.151022.001.Number of times k is used in writing out all the numbers 1 through n(11) / rb
06.151021.001.Number of times k is used in writing out all the numbers 1 through n(10)
06.151020.001.Number of times k is used in writing out all the numbers 1 through n(9) / rb
06.151018.002.Number of times k is used in writing out all the numbers 1 through n(8) / rb
06.151018.001.Number of times k is used in writing out all the numbers 1 through n(7) / rb
06.151013.002.Number of times k is used in writing out all the numbers 1 through n(6) / rb
06.151013.001.Number of times k is used in writing out all the numbers 1 through n(5) / rb
06.151012.007.Number of times k is used in writing out all the numbers 1 through n(4) / rb
06.151012.006.Number of times k is used in writing out all the numbers 1 through n(3) / rb
06.151012.005.Number of times k is used in writing out all the numbers 1 through n(2) / rb
06.151012.004.Number of times k is used in writing out all the numbers 1 through n(1) / rb
06.151012.003.Number of times 1 is used in writing out all the numbers 1 through n(7) / rb
06.151012.002.Number of times 1 is used in writing out all the numbers 1 through n(6) / rb
06.151012.001.Number of times 1 is used in writing out all the numbers 1 through n(5) / rb
06.151011.005.Number of times 1 is used in writing out all the numbers 1 through n(4) / rb
06.151011.004.Number of times 1 is used in writing out all the numbers 1 through n(3) / rb
06.151011.003.Number of times 1 is used in writing out all the numbers 1 through n(2) / rb
06.151011.002.Number of times 1 is used in writing out all the numbers 1 through n(1) / rb
06.151011.001.整数零点 / rb
06.151004.004.素数が無数に存在すること(2) / rb
06.151004.003.素数が無数に存在すること(1) / rb
06.151004.002.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(2) / rb
06.151004.001.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(1) / rb
06.150929.001.オイラー関数のベキ(3) / rb
06.150927.002.オイラー関数のベキ(2) / rb
06.150927.001.k角数定理？ / rb
06.150924.001.オイラー関数のベキ(1) / rb
06.150922.002.フリーマン・ダイソンによるτ関数に関する公式 / rb
06.150922.001.Ulam spiral / rb
06.150921.003.階段状に現れるフィボナッチ数列 / rb
06.150921.002.縦読み、横読みの一般化 / rb
06.150921.001.Half-Catalan number / rb
06.150920.001.分割が絡んだ係数について / rb
06.150919.001.二重根号が外れてきれいになる式 / rb
06.150915.001.ラマヌジャンが見つけた等式 / rb
06.150914.002.xx + 27yy 型の素数 / rb
06.150914.001.Number of knight's tours on a m×n chessboard(3) / c
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.151031.001.この記事
09.151012.001.
09.150927.001.
09.150913.001.
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.151031.001.Alternating permutation / rb
06.151025.001.線対称に分割 / rb
06.151024.002.Number of times k is used in writing out all the numbers 0 through n(3)
06.151024.001.Number of times k is used in writing out all the numbers 0 through n(2) / rb
06.151023.001.Number of times k is used in writing out all the numbers 0 through n(1) / rb
06.151022.002.Number of times k is used in writing out all the numbers 1 through n(12)
06.151022.001.Number of times k is used in writing out all the numbers 1 through n(11) / rb
06.151021.001.Number of times k is used in writing out all the numbers 1 through n(10)
06.151020.001.Number of times k is used in writing out all the numbers 1 through n(9) / rb
06.151018.002.Number of times k is used in writing out all the numbers 1 through n(8) / rb
06.151018.001.Number of times k is used in writing out all the numbers 1 through n(7) / rb
06.151013.002.Number of times k is used in writing out all the numbers 1 through n(6) / rb
06.151013.001.Number of times k is used in writing out all the numbers 1 through n(5) / rb
06.151012.007.Number of times k is used in writing out all the numbers 1 through n(4) / rb
06.151012.006.Number of times k is used in writing out all the numbers 1 through n(3) / rb
06.151012.005.Number of times k is used in writing out all the numbers 1 through n(2) / rb
06.151012.004.Number of times k is used in writing out all the numbers 1 through n(1) / rb
06.151012.003.Number of times 1 is used in writing out all the numbers 1 through n(7) / rb
06.151012.002.Number of times 1 is used in writing out all the numbers 1 through n(6) / rb
06.151012.001.Number of times 1 is used in writing out all the numbers 1 through n(5) / rb
06.151011.005.Number of times 1 is used in writing out all the numbers 1 through n(4) / rb
06.151011.004.Number of times 1 is used in writing out all the numbers 1 through n(3) / rb
06.151011.003.Number of times 1 is used in writing out all the numbers 1 through n(2) / rb
06.151011.002.Number of times 1 is used in writing out all the numbers 1 through n(1) / rb
06.151011.001.整数零点 / rb
06.151004.004.素数が無数に存在すること(2) / rb
06.151004.003.素数が無数に存在すること(1) / rb
06.151004.002.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(2) / rb
06.151004.001.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(1) / rb
06.150929.001.オイラー関数のベキ(3) / rb
06.150927.002.オイラー関数のベキ(2) / rb
06.150927.001.k角数定理？ / rb
06.150924.001.オイラー関数のベキ(1) / rb
06.150922.002.フリーマン・ダイソンによるτ関数に関する公式 / rb
06.150922.001.Ulam spiral / rb
06.150921.003.階段状に現れるフィボナッチ数列 / rb
06.150921.002.縦読み、横読みの一般化 / rb
06.150921.001.Half-Catalan number / rb
06.150920.001.分割が絡んだ係数について / rb
06.150919.001.二重根号が外れてきれいになる式 / rb
06.150915.001.ラマヌジャンが見つけた等式 / rb
06.150914.002.xx + 27yy 型の素数 / rb
06.150914.001.Number of knight's tours on a m×n chessboard(3) / c
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.151031.001.この記事
09.151012.001.
09.150927.001.
09.150913.001.
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
2015年10月12日月曜日
151012
c C
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.151012.007.Number of times k is used in writing out all the numbers 1 through n(4) / rb
06.151012.006.Number of times k is used in writing out all the numbers 1 through n(3) / rb
06.151012.005.Number of times k is used in writing out all the numbers 1 through n(2) / rb
06.151012.004.Number of times k is used in writing out all the numbers 1 through n(1) / rb
06.151012.003.Number of times 1 is used in writing out all the numbers 1 through n(7) / rb
06.151012.002.Number of times 1 is used in writing out all the numbers 1 through n(6) / rb
06.151012.001.Number of times 1 is used in writing out all the numbers 1 through n(5) / rb
06.151011.005.Number of times 1 is used in writing out all the numbers 1 through n(4) / rb
06.151011.004.Number of times 1 is used in writing out all the numbers 1 through n(3) / rb
06.151011.003.Number of times 1 is used in writing out all the numbers 1 through n(2) / rb
06.151011.002.Number of times 1 is used in writing out all the numbers 1 through n(1) / rb
06.151011.001.整数零点 / rb
06.151004.004.素数が無数に存在すること(2) / rb
06.151004.003.素数が無数に存在すること(1) / rb
06.151004.002.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(2) / rb
06.151004.001.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(1) / rb
06.150929.001.オイラー関数のベキ(3) / rb
06.150927.002.オイラー関数のベキ(2) / rb
06.150927.001.k角数定理？ / rb
06.150924.001.オイラー関数のベキ(1) / rb
06.150922.002.フリーマン・ダイソンによるτ関数に関する公式 / rb
06.150922.001.Ulam spiral / rb
06.150921.003.階段状に現れるフィボナッチ数列 / rb
06.150921.002.縦読み、横読みの一般化 / rb
06.150921.001.Half-Catalan number / rb
06.150920.001.分割が絡んだ係数について / rb
06.150919.001.二重根号が外れてきれいになる式 / rb
06.150915.001.ラマヌジャンが見つけた等式 / rb
06.150914.002.xx + 27yy 型の素数 / rb
06.150914.001.Number of knight's tours on a m×n chessboard(3) / c
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.151012.001.この記事
09.150927.001.
09.150913.001.
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.151012.007.Number of times k is used in writing out all the numbers 1 through n(4) / rb
06.151012.006.Number of times k is used in writing out all the numbers 1 through n(3) / rb
06.151012.005.Number of times k is used in writing out all the numbers 1 through n(2) / rb
06.151012.004.Number of times k is used in writing out all the numbers 1 through n(1) / rb
06.151012.003.Number of times 1 is used in writing out all the numbers 1 through n(7) / rb
06.151012.002.Number of times 1 is used in writing out all the numbers 1 through n(6) / rb
06.151012.001.Number of times 1 is used in writing out all the numbers 1 through n(5) / rb
06.151011.005.Number of times 1 is used in writing out all the numbers 1 through n(4) / rb
06.151011.004.Number of times 1 is used in writing out all the numbers 1 through n(3) / rb
06.151011.003.Number of times 1 is used in writing out all the numbers 1 through n(2) / rb
06.151011.002.Number of times 1 is used in writing out all the numbers 1 through n(1) / rb
06.151011.001.整数零点 / rb
06.151004.004.素数が無数に存在すること(2) / rb
06.151004.003.素数が無数に存在すること(1) / rb
06.151004.002.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(2) / rb
06.151004.001.Number of permutations of the multiset {1,1,2,2,....,n,n} with no two consecutive terms equal(1) / rb
06.150929.001.オイラー関数のベキ(3) / rb
06.150927.002.オイラー関数のベキ(2) / rb
06.150927.001.k角数定理？ / rb
06.150924.001.オイラー関数のベキ(1) / rb
06.150922.002.フリーマン・ダイソンによるτ関数に関する公式 / rb
06.150922.001.Ulam spiral / rb
06.150921.003.階段状に現れるフィボナッチ数列 / rb
06.150921.002.縦読み、横読みの一般化 / rb
06.150921.001.Half-Catalan number / rb
06.150920.001.分割が絡んだ係数について / rb
06.150919.001.二重根号が外れてきれいになる式 / rb
06.150915.001.ラマヌジャンが見つけた等式 / rb
06.150914.002.xx + 27yy 型の素数 / rb
06.150914.001.Number of knight's tours on a m×n chessboard(3) / c
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.151012.001.この記事
09.150927.001.
09.150913.001.
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
2015年9月27日日曜日
150927
c C
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.150927.002.オイラー関数のベキ(2) / rb
06.150927.001.k角数定理？ / rb
06.150924.001.オイラー関数のベキ(1) / rb
06.150922.002.フリーマン・ダイソンによるτ関数に関する公式 / rb
06.150922.001.Ulam spiral / rb
06.150921.003.階段状に現れるフィボナッチ数列 / rb
06.150921.002.縦読み、横読みの一般化 / rb
06.150921.001.Half-Catalan number / rb
06.150920.001.分割が絡んだ係数について / rb
06.150919.001.二重根号が外れてきれいになる式 / rb
06.150915.001.ラマヌジャンが見つけた等式 / rb
06.150914.002.xx + 27yy 型の素数 / rb
06.150914.001.Number of knight's tours on a m×n chessboard(3) / c
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.150927.001.この記事
09.150913.001.
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.150927.002.オイラー関数のベキ(2) / rb
06.150927.001.k角数定理？ / rb
06.150924.001.オイラー関数のベキ(1) / rb
06.150922.002.フリーマン・ダイソンによるτ関数に関する公式 / rb
06.150922.001.Ulam spiral / rb
06.150921.003.階段状に現れるフィボナッチ数列 / rb
06.150921.002.縦読み、横読みの一般化 / rb
06.150921.001.Half-Catalan number / rb
06.150920.001.分割が絡んだ係数について / rb
06.150919.001.二重根号が外れてきれいになる式 / rb
06.150915.001.ラマヌジャンが見つけた等式 / rb
06.150914.002.xx + 27yy 型の素数 / rb
06.150914.001.Number of knight's tours on a m×n chessboard(3) / c
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.150927.001.この記事
09.150913.001.
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
2015年9月13日日曜日
150913
c C
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.150913.001.この記事
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.150913.001.Number of knight's tours on a m×n chessboard(2) / c
06.150912.001.Number of knight's tours on a m×n chessboard(1) / c
06.150910.002.コード用
06.150910.001.Number of knight's tours on a 3×k chessboard(2) / rb
06.150908.001.Number of knight's tours on a 3×k chessboard(1) / c
06.150904.001.桂馬飛び / rb
06.150903.001.p^n + s^n = q^n + r^n / rb
06.150902.001.p^5 + s^5 = q^5 + r^5 / rb
06.150830.003.p^4 + s^4 = q^4 + r^4 / rb
06.150830.002.アフィン暗号(2) / rb
06.150830.001.アフィン暗号(1) / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.150913.001.この記事
09.150829.001.
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
2015年8月29日土曜日
150829
rb Ruby
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.150829.001.この記事
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
py Python
RC Rosetta Codeにもコードあり
08.150308.001.Clock sequence / rb
06.150829.001.ラマヌジャン予想(6)
06.150828.001.どの２つの和も平方数(4) / rb
06.150827.001.どの２つの和も平方数(3) / rb
06.150824.006.どの２つの和も立方数(16) / rb
06.150824.005.どの２つの和も立方数(15) / rb
06.150824.004.どの２つの和も立方数(14) / rb
06.150824.003.どの２つの和も立方数(13) / rb
06.150824.002.どの２つの和も立方数(12) / rb
06.150824.001.どの２つの和も立方数(11) / rb
06.150823.007.どの２つの和も立方数(10) / rb
06.150823.006.どの２つの和も立方数(9) / rb
06.150823.005.どの２つの和も立方数(8) / rb
06.150823.004.どの２つの和も立方数(7) / rb
06.150823.003.どの２つの和も立方数(6) / rb
06.150823.002.どの２つの和も立方数(5) / rb
06.150823.001.どの２つの和も立方数(4) / rb
06.150822.004.どの２つの和も立方数(3) / rb
06.150822.003.累乗数 / rb
06.150822.002.どの２つの和も立方数(2) / rb
06.150822.001.どの２つの和も立方数(1) / rb
06.150821.001.どの２つの和も平方数(2) / rb
06.150820.001.どの２つの和も平方数(1) / rb
06.150816.002.円周率 / rb
06.150816.001.高次元カタラン数 / rb
06.150815.001.隣り合う素数の差と積 / rb
06.150806.002.Number of n-digit right-truncatable primes / rb
06.150806.001.Right-truncatable prime / rb
06.150805.001.タウ函数の合同関係 / rb
06.150804.001.Pisano period / rb
06.150803.002.Almost Integer / rb
06.150803.001.4p - 1 型のヘーグナー数の性質 / rb
06.150802.001.ラマヌジャン予想(5) / py
06.150801.003.Ramanujan's tau function(3) / py
06.150801.002.ラマヌジャン予想(4) / rb
06.150801.001.
06.150731.002.
06.150731.001.ラマヌジャン予想(3) / rb
06.150730.001.ラマヌジャン予想(2) / rb
06.150728.002.ラマヌジャン予想(1) / rb
06.150728.001.Ramanujan's tau function(2) / rb
06.150727.003.Ramanujan's tau function(1) / rb
06.150727.002.Reverse and Add(2) / rb
06.150727.001.Reverse and Add(1) / rb
06.150726.005.回文数式 / rb
06.150726.004.Bell number / rb
06.150726.003.1 / n の性質について / rb
06.150726.002.Primes of the form identical odd digits followed by a 1 / rb
06.150726.001.Prime numbers of the form 33…331 / rb
06.150720.003.Collatz conjecture(2) / rb
06.150720.002.Collatz conjecture(1) / rb
06.150720.001.隣接素数の和で表す表し方の数 / rb
06.150719.002.Aliquot sequence(2) / rb
06.150719.001.Aliquot sequence(1) / rb
06.150709.002.素数の個数(5) / rb
06.150709.001.素数の個数(4) / rb
06.150708.001.素数の個数(3) / rb
06.150707.003.素数の個数(2) / rb
06.150707.002.素数の個数(1) / rb
06.150707.001.素数の和 / rb
06.150706.001.Carmichael number / rb
06.150625.001.ROT13 と ROT47 / rb
06.150624.002.素数を順番につなぎ合わせた数について(4) / rb
06.150624.001.素数を順番につなぎ合わせた数について(3) / rb
06.150621.004.素数を順番につなぎ合わせた数について(2) / rb
06.150621.003.素数を順番につなぎ合わせた数について(1) / rb
06.150621.002.2, 3, 5, 7 を使った素数 / rb
06.150621.001.2^i + 3^i + 5^i + 7^i 型の素数 / rb
06.150620.002.i (1以上9以下)を含むならば、i が i 個含む数の個数について(2) / rb
06.150620.001.i (1以上9以下)を含むならば、i が i 個含む数の個数について(1) / rb
06.150613.002.双子素数と隣り合う双子素数の和 / rb
06.150613.001.隣り合う素数の和 / rb
06.150607.003.Look-and-say sequence / rb / RC
06.150607.002.Mian-Chowla sequence / rb
06.150607.001.各桁の和と自身との和について / rb
06.150603.001.塊の個数 / rb
06.150531.002.Gauss circle problem / rb
06.150531.001.Ulam number / rb
06.150529.001.Toothpick Sequence / rb
06.150527.001.φの和 / rb
06.150525.001.Conway-Guy sequence / rb
06.150524.001.「普通の分数の足し算」と「日付の足し算」が一致する組合せ / rb
06.150523.001.2〜Nまでをある規則にしたがって並びかえる / rb
06.150517.001.ｎ進グレイコード ↔ ｎ進表記 / rb
06.150503.003.| σ(i + 1) - σ(1) | ≠ 1 を満たすσの個数 / rb
06.150503.002.3 6 9 2 5 8 1 4 7 (2) / rb
06.150503.001.Ducci sequence / rb
06.150502.001.3 6 9 2 5 8 1 4 7 (1) / rb
06.150429.001.p(n | 和因子は相異なる) / rb
06.150425.002.p(n | 和因子は奇数) / rb
06.150425.001.Taxi-cab numbers: sums of 2 cubes in more than 1 way / rb
06.150422.001.カプレカ数 / rb
06.150419.001.864197532（高速化） / rb
06.150418.002.864197532 / rb
06.150418.001.Lucas、Perrin そして McIrvin（剰余について） / rb
06.150414.001.Lucas、Perrin そして McIrvin / rb
06.150413.002.Thue–Morse sequence / rb
06.150413.001.Schizophrenic number（連続する個数 2.0） / rb
06.150412.001.Schizophrenic number（連続する個数 1.0） / rb
06.150410.001.Schizophrenic number / rb
06.150405.003.Generalization of the Zeckendorf representation / rb
06.150405.002.Zeckendorf number representation / rb / RC
06.150405.001.Self-descriptive number / rb
06.150330.001.Heterosquare / rb
06.150329.004.Connell Sequence / rb
06.150329.003.21397 / rb
06.150329.002.Göbel's Sequence / rb
06.150329.001.Somos-k sequence / rb
06.150328.001.Perrin Pseudoprime / rb
06.150323.001.
06.150315.001.不思議数 / rb
06.150301.002.
06.150301.001.Silverman's Sequence / rb
06.150225.001.Square-free integer / rb
06.150224.002.Cyclic number / rb
06.150224.001.
06.150111.001.バイナリサーチ / rb
06.150110.004.リニアサーチ / rb
06.150110.003.マージソート / rb
06.150110.002.クイックソート / rb
06.150110.001.バブルソート / rb
06.150104.002.「n-クイーン」パズル / rb
06.150104.001.ナップザック問題 / rb
06.141027.001.Partition / py
06.140927.002.Lucky prime / rb
06.140927.001.Lucky number / rb
06.140831.001.Partition（高速化） / rb
06.140823.004.Prime Partition / rb
06.140823.003.Partition / rb
06.140823.002.
06.140823.001.
06.140813.001.最大増加部分列 / rb
06.140316.001.548834 / rb
06.140306.001.覆面算（SEND + MORE = MONEY） / rb
02.150822.001.連続する自然数の積は平方数ではない
02.130120.002.On the Inequality with Power-Exponential Function
02.130120.001.
09.150829.001.この記事
09.150827.001.
09.150822.001.
09.150815.001.
09.150801.001.
09.150727.001.
09.150720.001.
09.150706.001.
09.150607.001.
09.150531.001.
09.150529.001.
09.150525.001.
09.150503.001.
09.150418.001.
09.150412.001.
09.150405.001.
09.150330.001.
09.150329.001.
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