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 A130927 #5 Mar 31 2012 13:21:16 %S A130927 0,1,3,2,8,6,7,4,5,21,22,19,15,14,20,16,18,10,12,17,9,13,11,58,59,62, %T A130927 63,64,56,60,52,41,39,51,40,37,38,57,61,53,43,42,55,47,50,27,25,48,31, %U A130927 30,34,54,44,49,23,32,45,26,36,29,46,24,35,28,33,170,171,174,175,176 %N A130927 Signature permutation of a Catalan automorphism: row 16 of A130400. %C A130927 The signature-permutation of the Catalan automorphism which is derived from the 16th non-recursive Catalan automorphism *A089860 with recursion schema INORDER (see A130400 for the definition). %H A130927 A. Karttunen, <a href="/A130927/b130927.txt">Table of n, a(n) for n = 0..2055</a> %H A130927 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130927 Inverse: A130928. %K A130927 nonn %O A130927 0,3 %A A130927 _Antti Karttunen_, Jun 11 2007