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 A163911 #2 Mar 31 2012 13:21:19 %S A163911 1,2,6,8,18,32,108,216,324,1944,1944 %N A163911 Maximum cycle size in range [A000302(n-1)..A024036(n)] of permutation A163355/A163356. %Y A163911 See also A163891, A163896, A163910, A163912, A163904, A163890. %K A163911 nonn %O A163911 0,2 %A A163911 _Antti Karttunen_, Sep 19 2009