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 A191182 #5 Mar 30 2012 18:57:30 %S A191182 1,3,5,7,9,13,15,21,27,37,39,45,53,61,63,71,81,85,109,111,117,135,149, %T A191182 157,159,181,183,189,199,213,243,245,253,255,325,327,333,341,351,405, %U A191182 437,445,447,455,469,471,477,541,543,549,567,583,597,629,637,639,725,729,733,735,757,759 %N A191182 Integers in (A191129)/3; contains A191129 as a proper subsequence. %C A191182 See A191129. %t A191182 (See A191129.) %Y A191182 Cf. A191129, A191183. %K A191182 nonn %O A191182 1,2 %A A191182 _Clark Kimberling_, May 27 2011