This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A257126 #6 Apr 16 2015 12:48:46 %S A257126 1,2,2,2,4,3,3,2,4,3,5,5,5,4,4,2,4,3,5,5,5,4,6,5,5,6,8,6,6,5,5,2,4,3, %T A257126 5,5,5,4,6,5,5,6,8,6,6,5,7,5,5,6,8,6,6,7,9,6,8,9,9,7,7,6,6,2,4,3,5,5, %U A257126 5,4,6,5,5,6,8,6,6,5,7,5,5,6,8,6,6,7,9,6,8,9,9,7,7,6,8,5,5,6,8,6,6,7,9,6,8,9,9,7,7,8,10,6,8,9,9,7,9,10,10,9 %N A257126 a(n) = A055938(n) - A005187(n). %H A257126 Antti Karttunen, <a href="/A257126/b257126.txt">Table of n, a(n) for n = 1..16384</a> %F A257126 a(n) = A055938(n) - A005187(n). %o A257126 (Scheme) (define (A257126 n) (- (A055938 n) (A005187 n))) %Y A257126 Positions of records: A257130. %Y A257126 Cf. A005187, A055938, A256992. %K A257126 nonn %O A257126 1,2 %A A257126 _Antti Karttunen_, Apr 16 2015