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 A127278 #2 Mar 31 2012 13:21:13 %S A127278 1,1,0,2,4,2,0,4,0,1,0,0,0 %N A127278 Number of fixed points in range [A014137(n-1)..A014138(n-1)] of permutation A126313/A126314. %Y A127278 Fixed points themselves are given in A127306. Cf. A127282. %K A127278 nonn %O A127278 0,4 %A A127278 _Antti Karttunen_, Jan 16 2007