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 A191165 #4 Mar 30 2012 18:57:30 %S A191165 1,2,4,5,6,13,14,17,18,22,31,40,41,49,50,53,54,65,66,70,86,112,121, %T A191165 122,148,149,157,158,161,162,193,194,197,198,209,210,214,257,258,262, %U A191165 274,278,342,355,364,365,436,445,446,472,473,481,482,485,486,580,581,589,590,593,594,625,626,629,630,641,642,646,769,770,773,774 %N A191165 Integers in (2+A191120)/4; contains A191120 as a proper subsequence. %C A191165 See A191120. %t A191165 (See A191120.) %Y A191165 Cf. A191120. %K A191165 nonn %O A191165 1,2 %A A191165 _Clark Kimberling_, May 27 2011