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 A031096 #4 Mar 30 2012 18:56:20 %S A031096 8,25,43,61,79,97,115,133,136,138,140,142,144,146,148,150,151,152,177, %T A031096 204,231,258,285,312,339,366,370,373,376,379,382,385,388,391,393,394, %U A031096 420,447,474,501,528,555,582,609,613,616,619 %N A031096 Position of n-th 8 in A031087. %K A031096 nonn %O A031096 1,1 %A A031096 _Clark Kimberling_