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 A062290 #2 Jun 29 2008 03:00:00 %S A062290 1,2,8,12,36,40,60,80,96,128,180,225,288,448,450,480,600,625,640,1200 %N A062290 Erroneous version of A033950. %K A062290 dead %O A062290 1,2