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 A089414 #5 Mar 31 2012 14:02:17 %S A089414 1,1,2,3,12,29,97,378,775,2940,11368,45671,113556,479745,1094742, %T A089414 3536813,15177837,67116740,300914463,519239984,3251343406 %N A089414 Maximum cycle size in range [A014137(n-1)..A014138(n-1)] of permutation A071655/A071656. %H A089414 A. Karttunen, <a href="/A089408/a089408.c.txt">C-program for computing the initial terms of this sequence</a> %K A089414 nonn %O A089414 0,3 %A A089414 _Antti Karttunen_, Nov 29 2003