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 A091902 #2 Nov 10 2007 03:00:00 %S A091902 1,2,3,4,5,6,8,9,10,12,16,18,20,24,30,36,48,60,72,84,120,180,240,360 %N A091902 Erroneous version of A067698. %K A091902 dead %O A091902 1,2