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 A130383 #5 Mar 31 2012 13:21:14 %S A130383 0,1,2,3,6,5,4,7,8,16,19,15,12,13,14,9,11,20,18,10,17,21,22,44,47,53, %T A130383 56,60,43,52,40,34,32,41,31,35,36,42,51,37,25,24,39,28,29,57,61,33,55, %U A130383 49,50,38,23,30,54,45,26,48,62,59,27,46,58,63,64,128,131,137,140,144 %N A130383 Signature permutation of a Catalan automorphism: row 5 of A130400. %C A130383 The signature-permutation of the Catalan automorphism which is derived from the fifth non-recursive Catalan automorphism *A089852 with recursion schema INORDER (see A130400 for the definition). %H A130383 A. Karttunen, <a href="/A130383/b130383.txt">Table of n, a(n) for n = 0..2055</a> %H A130383 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130383 Inverse: A130384. %K A130383 nonn %O A130383 0,3 %A A130383 _Antti Karttunen_, Jun 11 2007