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 A090829 #5 Mar 31 2012 14:02:18 %S A090829 1,1,1,3,4,5,12,14,20,20,28,28,36,36,44,44,52,52,60,60,68 %N A090829 Maximum cycle size in range [A014137(n-1)..A014138(n-1)] of permutation A085163/A085164. %H A090829 A. Karttunen, <a href="/A089408/a089408.c.txt">C-program for computing the initial terms of this sequence</a> %Y A090829 Compare the bisections to A017113, A086570. %K A090829 nonn %O A090829 0,4 %A A090829 _Antti Karttunen_, Dec 20 2003