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 A130936 #5 Mar 31 2012 13:21:16 %S A130936 0,1,2,3,4,5,7,6,8,9,10,12,11,13,17,18,16,14,15,20,21,19,22,23,24,26, %T A130936 25,27,31,32,30,28,29,34,35,33,36,45,46,48,49,50,44,47,42,37,38,43,40, %U A130936 39,41,54,55,57,58,59,53,56,51,52,61,62,63,60,64,65,66,68,67,69,73,74 %N A130936 Signature permutation of a Catalan automorphism: row 2 of A130403. %C A130936 The signature-permutation of the Catalan automorphism which is derived from *A069776 with recursion schema SPINE (see A122203 for the definition). %H A130936 A. Karttunen, <a href="/A130936/b130936.txt">Table of n, a(n) for n = 0..2055</a> %H A130936 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130936 Inverse: A130935. %K A130936 nonn %O A130936 0,3 %A A130936 _Antti Karttunen_, Jun 11 2007