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 A122341 #5 Mar 31 2012 13:21:12 %S A122341 0,1,2,3,5,4,6,7,8,12,13,11,10,9,15,14,16,18,17,19,20,21,22,32,31,34, %T A122341 35,36,30,33,29,26,27,28,25,24,23,40,41,39,38,37,43,42,47,49,50,44,48, %U A122341 46,45,52,51,53,55,54,56,57,59,58,60,61,62,63,64,91,92,90,88,87,97,96 %N A122341 Row 3 of A122201. %C A122341 The signature-permutation of the automorphism which is derived from the third non-recursive automorphism *A089850 with recursion schema FORK (see A122201 for the definition). %H A122341 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A122341 Inverse: A122342. %K A122341 nonn %O A122341 0,3 %A A122341 _Antti Karttunen_, Sep 01 2006