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 A127293 #2 Mar 31 2012 13:21:14 %S A127293 1,1,1,2,3,6,8,8,9,10,8,14,18,10 %N A127293 Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A127291/A127292. %K A127293 nonn %O A127293 0,4 %A A127293 _Antti Karttunen_, Jan 16 2007