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 A191105 #4 Mar 30 2012 18:57:29 %S A191105 1,4,8,11,15,18,22,25,26,29,32,33,36,40,43,47,50,54,57,61,64,65,68,71, %T A191105 72,75,79,82,86,89,93,96,97,100,103,104,107,111,114,118,121,125,128, %U A191105 132,135,136,139,142,143,146,150,153,157,160,164,167,168,171,174,175,178,182,185,189,192,196,199,203,206,207,210,213,214,217 %N A191105 Positions of 2 in A190893. %C A191105 See A190893. %t A191105 (See A190893.) %Y A191105 Cf. A190893. %K A191105 nonn %O A191105 1,2 %A A191105 _Clark Kimberling_, May 26 2011