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 A191174 #4 Mar 30 2012 18:57:30 %S A191174 1,2,4,5,7,8,11,14,16,20,23,28,31,32,41,44,47,56,59,64,68,80,83,92,95, %T A191174 112,122,124,127,128,131,140,164,167,176,188,191,203,224,236,239,248, %U A191174 256,272,275,284,320,332,335,365,368,371,380,383,392,419,448,488,491,496,500,508,511,512,524,527,560,563,572,608,656,668,671 %N A191174 Integers in (1+A191125)/3; contains A191125 as a proper subsequence. %C A191174 See A191125. %t A191174 (See A191125.) %Y A191174 Cf. A191125. %K A191174 nonn %O A191174 1,2 %A A191174 _Clark Kimberling_, May 27 2011