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 A130345 #5 Mar 31 2012 13:21:14 %S A130345 0,1,2,3,6,5,4,7,8,16,19,15,12,13,14,9,11,17,18,10,20,21,22,44,47,53, %T A130345 56,60,43,52,40,31,32,41,34,35,36,42,51,37,25,24,39,28,30,45,46,33,48, %U A130345 49,50,38,23,29,54,55,26,57,58,59,27,61,62,63,64,128,131,137,140,144 %N A130345 Row 5 of A122203. %C A130345 The signature-permutation of the Catalan automorphism which is derived from the fifth non-recursive Catalan automorphism *A089852 with recursion schema SPINE (see A122203 for the definition). %H A130345 A. Karttunen, <a href="/A130345/b130345.txt">Table of n, a(n) for n = 0..2055</a> %H A130345 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130345 Inverse: A130346. %K A130345 nonn %O A130345 0,3 %A A130345 _Antti Karttunen_, Jun 05 2007