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 A068157 #5 Jun 01 2010 03:00:00 %S A068157 3,5,11,97,1847,5623,89753,3851587,1872852203,1999066711903 %N A068157 Duplicate of A062530. %K A068157 dead %O A068157 0,1