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 A130985 #5 Mar 31 2012 13:21:16 %S A130985 0,1,2,3,4,5,6,8,7,9,10,11,12,13,14,15,19,21,22,16,20,18,17,23,24,25, %T A130985 27,26,28,29,30,31,32,33,34,36,35,37,38,39,40,41,51,52,56,58,59,60,62, %U A130985 63,64,42,43,53,57,61,47,55,49,50,44,54,48,46,45,65,66,67,68,69,70,71 %N A130985 Signature permutation of a Catalan automorphism: row 7 of A122288. %C A130985 The signature-permutation of the Catalan automorphism which is derived from automorphism *A122282 with recursion scheme KROF. %H A130985 A. Karttunen, <a href="/A130985/b130985.txt">Table of n, a(n) for n = 0..2055</a> %H A130985 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130985 Inverse: A130986. %K A130985 nonn %O A130985 0,3 %A A130985 _Antti Karttunen_, Jun 20 2007