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 A059650 #2 May 01 2014 02:46:11 %S A059650 5,2,3,2,5,5,2,5,5,2,3,2,5,2,3,2,5,5,2,3,2,5,2,3,2,5,5,2,5,5,2,3,2,5, %T A059650 5,2,5,5,2,3,2,5,2,3,2,5,5,2,5,5,2,3,2,5,5,2,5,5,2,3,2,5,2,3,2,5,5,2, %U A059650 3,2,5,2,3,2,5,5,2,5,5,2,3,2,5,2,3,2,5,5,2,3,2,5,2,3,2,5,5,2,5,5,2,3,2,5,5 %N A059650 First differences of A059649. %K A059650 nonn %O A059650 1,1 %A A059650 _Antti Karttunen_, Feb 03 2001