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 A122304 #5 Mar 31 2012 13:21:12 %S A122304 0,1,2,3,5,4,6,7,8,12,13,11,9,10,15,14,16,18,17,19,20,21,22,31,32,34, %T A122304 35,36,30,33,28,24,23,29,25,26,27,40,41,39,37,38,43,42,47,49,50,44,48, %U A122304 45,46,52,51,53,55,54,56,57,59,58,60,61,62,63,64,87,88,90,91,92,96,97 %N A122304 Row 3 of A122284. %C A122304 The signature-permutation of the automorphism which is derived from the third non-recursive automorphism *A089850 with recursion schema NEPEED (see A122284 for the definition). %H A122304 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A122304 Inverse: A122303. %K A122304 nonn %O A122304 0,3 %A A122304 _Antti Karttunen_, Sep 01 2006