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 A122355 #5 Mar 31 2012 13:21:12 %S A122355 0,1,3,2,7,6,8,5,4,18,17,16,15,14,22,19,21,12,11,20,13,10,9,49,48,50, %T A122355 46,45,47,44,43,40,39,42,41,38,37,63,62,60,52,51,64,56,59,32,31,58,30, %U A122355 29,28,61,53,57,36,33,55,35,26,25,54,34,27,24,23,143,142,141,139,138 %N A122355 Row 16 of A122201. %C A122355 The signature-permutation of the automorphism which is derived from the sixteenth non-recursive automorphism *A089860 with recursion schema FORK (see A122201 for the definition). %H A122355 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A122355 Inverse: A122356. %K A122355 nonn %O A122355 0,3 %A A122355 _Antti Karttunen_, Sep 01 2006