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 A031044 #4 Mar 30 2012 18:56:20 %S A031044 1,2,3,4,5,6,7,8,10,1,14,16,18,20,22,24,13,28,2,32,34,36,38,40,15,31, %T A031044 46,3,50,52,54,56,17,33,49,64,4,68,70,72,19,35,51,67,82,5,86,88,21,37, %U A031044 53,69,85,100,6,104,7,23,39,55,71,87,103,120,8 %N A031044 a(n)=least k such that base 8 representation of n begins at s(k), where s=A031035. %K A031044 nonn %O A031044 1,2 %A A031044 _Clark Kimberling_