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 A061081 #3 May 11 2007 03:00:00 %S A061081 2,1,12,24,96,72,168,240,336,360,504,576,1512,1080,1008,720,2304,3600 %N A061081 Duplicate of A007368. %K A061081 dead %O A061081 0,1