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 A031077 #4 Mar 30 2012 18:56:20 %S A031077 10,28,46,64,82,100,118,136,154,155,157,160,163,166,169,172,175,178, %T A031077 182,209,236,263,290,317,344,371,397,398,400,403,406,409,412,415,418, %U A031077 421,425,452,479,506,533,560,587,614,640,641,643 %N A031077 Position of n-th 0 in A031076. %K A031077 nonn %O A031077 1,1 %A A031077 _Clark Kimberling_