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 A085566 #2 Jan 09 2009 03:00:00 %S A085566 5,9,9,0,7,0,1,1,7,3,6,7,7,9,6,1,0,3,7,1,9,9,6,1,2,4,6,1,4,0,1,6,1 %N A085566 Duplicate of A076390. %K A085566 dead %O A085566 0,1