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 A122353 #5 Mar 31 2012 13:21:12 %S A122353 0,1,3,2,7,8,6,5,4,18,17,20,21,22,16,19,15,12,13,14,11,10,9,49,50,48, %T A122353 46,45,55,54,57,59,58,61,62,63,64,47,44,53,56,60,43,52,40,32,31,41,34, %U A122353 35,36,42,51,39,30,33,38,29,26,27,37,28,25,24,23,143,142,146,147,148 %N A122353 Row 15 of A122201. %C A122353 The signature-permutation of the automorphism which is derived from the fifteenth non-recursive automorphism *A089859 with recursion schema FORK (see A122201 for the definition). %H A122353 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A122353 Inverse: A122354. %K A122353 nonn %O A122353 0,3 %A A122353 _Antti Karttunen_, Sep 01 2006