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 A130968 #2 Mar 31 2012 13:21:16 %S A130968 1,1,2,3,7,10,25,54,131,331,864,2292,6169,16835 %N A130968 Number of fixed points in range [A014137(n-1)..A014138(n-1)] of permutations A130919/A130920. %Y A130968 Cf. A130967, A057546. %K A130968 nonn %O A130968 0,3 %A A130968 _Antti Karttunen_, Jun 11 2007