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 A130984 #5 Mar 31 2012 13:21:16 %S A130984 0,1,2,3,6,4,5,7,8,14,16,19,11,9,15,10,12,20,17,13,18,21,22,42,39,37, %T A130984 53,44,51,47,56,28,30,60,33,25,23,38,43,52,29,24,40,26,34,54,57,31,61, %U A130984 48,45,41,27,32,55,46,35,49,62,58,36,50,59,63,64,123,154,126,112,114 %N A130984 Signature permutation of a Catalan automorphism: row 6 of A122287 and A122288. %C A130984 Derived from automorphism *A130344 with recursion scheme FORK or from automorphism *A130347 with recursion scheme KROF. %H A130984 A. Karttunen, <a href="/A130984/b130984.txt">Table of n, a(n) for n = 0..2055</a> %H A130984 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130984 Inverse: A130983. %K A130984 nonn %O A130984 0,3 %A A130984 _Antti Karttunen_, Jun 20 2007