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 A089426 #6 Mar 31 2012 14:02:17 %S A089426 1,1,2,3,6,8,14,19,24,30,40,46,58,78,84,97,116,144,170,194,224 %N A089426 Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A082355/A082356. %C A089426 The number of orbits to which the corresponding automorphism(s) partitions the set of A000108(n) binary trees with n internal nodes. %H A089426 A. Karttunen, <a href="/A089408/a089408.c.txt">C-program for computing the initial terms of this sequence</a> %K A089426 nonn %O A089426 0,3 %A A089426 _Antti Karttunen_, Nov 29 2003