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 A126314 #5 Mar 31 2012 13:21:13 %S A126314 0,1,3,2,7,5,6,8,4,22,19,17,12,10,13,11,16,21,18,14,20,15,9,63,56,59, %T A126314 50,47,62,53,55,41,39,45,31,26,24,35,30,32,27,25,61,51,52,64,60,44,58, %U A126314 49,46,34,28,29,36,33,42,57,48,43,37,54,40,38,23,196,178,191,192,177 %N A126314 Signature-permutation of a Catalan automorphism: composition of A125976 and A069772. %C A126314 Like A069771, A069772, A125976 and A126315/A126316, this automorphism keeps symmetric Dyck paths symmetric, but not necessarily same. %H A126314 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A126314 Inverse: A126313. a(n) = A125976(A069772(n)) = A069772(A126290(n)) = A057164(A126316(n)). %K A126314 nonn %O A126314 0,3 %A A126314 _Antti Karttunen_, Jan 16 2007