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 A130962 #5 Mar 31 2012 13:21:16 %S A130962 0,1,3,2,7,8,4,6,5,17,18,20,21,22,11,10,14,16,19,9,13,15,12,45,46,48, %T A130962 49,50,54,55,57,58,59,61,62,63,64,30,33,27,29,26,39,38,42,44,47,51,53, %U A130962 56,60,28,23,24,35,36,37,41,43,52,25,34,32,40,31,129,130,132,133,134 %N A130962 Signature permutation of a Catalan automorphism: row 13 of A130403. %H A130962 A. Karttunen, <a href="/A130962/b130962.txt">Table of n, a(n) for n = 0..2055</a> %H A130962 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130962 Inverse: A130961. %K A130962 nonn %O A130962 0,3 %A A130962 _Antti Karttunen_, Jun 11 2007