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 A191192 #5 Mar 30 2012 18:57:31 %S A191192 1,3,4,10,11,13,14,15,31,34,39,40,43,46,51,59,78,94,103,118,121,123, %T A191192 130,135,139,154,155,159,171,178,183,203,206,235,270,283,310,355,364, %U A191192 370,375,391,406,411,418,463,466,471,478,483,491,514,519,535,539,550,555,610,615,619,635,654,683,706,711,718,731 %N A191192 Integers in (-1+A191134)/3; contains A191134 as a proper subsequence. %C A191192 See A191134. %t A191192 (See A191134.) %Y A191192 Cf.,A191134,A191113. %K A191192 nonn %O A191192 1,2 %A A191192 _Clark Kimberling_, May 28 2011