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 A130964 #5 Mar 31 2012 13:21:16 %S A130964 0,1,3,2,7,8,5,4,6,17,18,20,21,22,12,13,10,9,11,15,16,19,14,45,46,48, %T A130964 49,50,54,55,57,58,59,61,62,63,64,31,32,34,35,36,26,27,24,23,25,29,30, %U A130964 33,28,40,41,43,44,47,52,53,56,60,38,42,37,39,51,129,130,132,133,134 %N A130964 Signature permutation of a Catalan automorphism: row 14 of A130403. %H A130964 A. Karttunen, <a href="/A130964/b130964.txt">Table of n, a(n) for n = 0..2055</a> %H A130964 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130964 Inverse: A130963. %K A130964 nonn %O A130964 0,3 %A A130964 _Antti Karttunen_, Jun 11 2007