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 A085594 #2 Nov 10 2007 03:00:00 %S A085594 1,1,3,2,7,1,7,6,31,4,63,14,15,1,15,14,511,12,63,62,2047,8,1023,126 %N A085594 Duplicate of A085587. %K A085594 dead %O A085594 3,3