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 A120708 #2 Mar 31 2012 14:02:29 %S A120708 1,1,2,3,8,24,30,60,262,262,950,2508,4964 %N A120708 Maximum cycle size in range [A014137(n-1)..A014138(n-1)] of permutation A120705/A120706. %K A120708 nonn %O A120708 0,3 %A A120708 _Antti Karttunen_, Jun 28 2006