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 A191184 #4 Mar 30 2012 18:57:30 %S A191184 1,2,3,6,9,14,18,26,27,38,42,54,58,74,78,81,106,110,114,126,142,154, %T A191184 162,170,174,206,218,222,234,243,298,314,318,326,330,342,378,398,426, %U A191184 442,458,462,486,506,510,522,590,618,650,654,666,682,698,702,729,874,890,894,910,938,942,954,974,978,990,1026,1134,1166,1194,1258 %N A191184 Integers in (A191130)/3; contains A191130 as a proper subsequence. %C A191184 See A191130. %t A191184 (See A191130.) %Y A191184 Cf. A191131, A191113. %K A191184 nonn %O A191184 1,2 %A A191184 _Clark Kimberling_, May 27 2011