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 A130995 #5 Mar 31 2012 13:21:16 %S A130995 0,1,3,2,8,6,7,4,5,22,19,21,15,14,20,16,18,9,12,17,10,11,13,64,60,63, %T A130995 51,52,62,56,59,39,38,58,41,40,37,61,53,57,43,42,55,47,50,23,32,48,24, %U A130995 34,30,54,44,49,26,31,45,27,29,35,46,25,28,33,36,196,191,195,178,177 %N A130995 Signature permutation of a Catalan automorphism: row 13 of A122288. %C A130995 Derived from automorphism *A130355 with recursion scheme KROF. %H A130995 A. Karttunen, <a href="/A130995/b130995.txt">Table of n, a(n) for n = 0..2055</a> %H A130995 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A130995 Inverse: A130996. %K A130995 nonn %O A130995 0,3 %A A130995 _Antti Karttunen_, Jun 20 2007