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 A093459 #3 Dec 05 2013 19:56:47 %S A093459 1,2,24,720,40320,362880,39916800,6227020800 %N A093459 Terms of A093458 which are factorials. %Y A093459 Cf. A073846, A093458. %K A093459 fini,full,less,nonn %O A093459 1,2 %A A093459 _Amarnath Murthy_, Apr 03 2004