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 A163910 #2 Mar 31 2012 13:21:19 %S A163910 1,2,3,18,30,178,306,1864,3214,20032,34708 %N A163910 Number of cycles in range [A000302(n-1)..A024036(n)] of permutation A163355/A163356. %Y A163910 See also A163911, A163912, A163914, A163904, A163890. %K A163910 nonn %O A163910 0,2 %A A163910 _Antti Karttunen_, Sep 19 2009