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 A094579 #4 May 11 2007 03:00:00 %S A094579 1,3,31,1145,154881,77899563,147226330175,1053765855157617 %N A094579 Duplicate of A029729. %K A094579 dead %O A094579 1,2