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 A122348 #5 Mar 31 2012 13:21:12 %S A122348 0,1,2,3,5,6,4,7,8,13,15,12,16,19,11,14,9,18,20,10,17,21,22,36,41,35, %T A122348 43,52,34,40,31,47,53,32,44,56,60,33,39,30,42,51,28,37,24,50,55,25,49, %U A122348 57,61,29,38,23,48,54,26,45,59,62,27,46,58,63,64,106,120,105,125,153 %N A122348 Row 4 of A122202. %C A122348 The signature-permutation of the automorphism which is derived from the fourth non-recursive automorphism *A089851 with recursion schema KROF (see A122202 for the definition). %H A122348 <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a> %Y A122348 Inverse: A122347. %K A122348 nonn %O A122348 0,3 %A A122348 _Antti Karttunen_, Sep 01 2006