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 A130349 #5 Mar 31 2012 13:21:14 %S A130349 0,1,2,3,4,5,7,8,6,9,10,12,13,11,17,18,20,21,22,16,19,14,15,23,24,26, %T A130349 27,25,31,32,34,35,36,30,33,28,29,45,46,48,49,50,54,55,57,58,59,61,62, %U A130349 63,64,44,47,53,56,60,42,51,37,38,43,52,40,41,39,65,66,68,69,67,73,74 %N A130349 Row 9 of A122203. %C A130349 The signature-permutation of the Catalan automorphism which is derived from the ninth non-recursive Catalan automorphism *A089855 with recursion schema SPINE (see A122203 for the definition). %H A130349 A. Karttunen, <a href="/A130349/b130349.txt">Table of n, a(n) for n = 0..2055</a> %H A130349 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130349 Inverse: A130350. Differs from A130354 for the first time at n=39, where a(39)=48, while A130354(39)=49. %K A130349 nonn %O A130349 0,3 %A A130349 _Antti Karttunen_, Jun 05 2007