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 A068586 #4 May 11 2007 03:00:00 %S A068586 1,2,3,4,5,9,10,11,12,13,14,15,16,17,27,28,29,30,31,32,88,89,90,91,92 %N A068586 Duplicate of A068585. %K A068586 dead %O A068586 1,2