%I #6 Mar 31 2012 13:21:12
%S 0,1,2,3,4,6,5,7,8,9,10,14,16,19,11,15,12,17,20,13,18,21,22,23,24,25,
%T 26,27,37,38,42,44,53,51,47,56,60,28,29,39,43,52,30,40,31,45,46,34,54,
%U 57,61,33,41,32,48,55,35,49,58,62,36,50,59,63,64,65,66,67,68,69,70,71
%N Row 2 of A122283 and A122284. An involution of nonnegative integers.
%C The signature-permutation of the automorphism which is derived from the second non-recursive automorphism *A072796 either with recursion schema DEEPEN or NEPEED. (see A122283, A122284 for their definitions).
%H <a href="/index/Per#IntegerPermutationCatAuto">Index entries for signature-permutations of Catalan automorphisms</a>
%Y A057163(n) = A083927(A122300(A057123(n))).
%K nonn
%O 0,3
%A _Antti Karttunen_, Sep 01 2006