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 A030388 #4 Mar 30 2012 18:56:18 %S A030388 1,5,6,7,9,11,14,22,30,31,33,36,39,41,42,43,44,45,47,48,50,51,54,55, %T A030388 57,60,63,66,67,69,72,75,79,89,91,92,95,98,103,115,127,137,139,140, %U A030388 143,146,151,163,175,176,179,183,187,189,191,192 %N A030388 Position of n-th 1 in A030386. %K A030388 nonn %O A030388 1,2 %A A030388 _Clark Kimberling_