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 A130944 #5 Mar 31 2012 13:21:16 %S A130944 0,1,2,3,5,4,6,7,8,12,13,11,10,9,15,14,16,18,17,19,20,21,22,32,31,34, %T A130944 35,36,30,33,29,26,27,28,25,24,23,40,41,39,38,37,43,42,47,49,50,44,48, %U A130944 45,46,52,51,53,55,54,56,57,59,58,60,61,62,63,64,91,92,90,87,88,97,96 %N A130944 Signature permutation of a Catalan automorphism: row 7 of A130403. %H A130944 A. Karttunen, <a href="/A130944/b130944.txt">Table of n, a(n) for n = 0..2055</a> %H A130944 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130944 Inverse: A130943. %K A130944 nonn %O A130944 0,3 %A A130944 _Antti Karttunen_, Jun 11 2007