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 A038008 #3 Mar 30 2012 17:37:06 %S A038008 82,50,220,18,50,180,180,10,120,50,22,60,8,150,10,42,126,14,60,60,10, %T A038008 38,30,30,10,102,20,30,30,160,30,20,18,22,68,42,88,32,18,112,48,2,108, %U A038008 22,8,52,48,12,168,182,52,18,18,102,38,22,38,22,30,18,62 %N A038008 Differences of A038007. %K A038008 nonn %O A038008 1,1 %A A038008 _Christian G. Bower_