%I #10 Mar 31 2012 14:02:29
%S 0,1,2,3,6,5,4,7,8,11,10,9,17,18,19,21,20,12,13,14,16,15,22,23,26,25,
%T 24,27,28,35,44,43,36,33,40,29,32,37,42,39,34,41,38,31,30,45,46,49,48,
%U 47,50,51,58,67,66,59,56,63,52,55,60,65,62,57,64,61,54,53,68,69,72,71
%N Involution of natural numbers which shows the position of the inverse of each non-recursive Catalan automorphism in table A089840.
%H A. Karttunen, <a href="/A089839/a089839.c.txt">C-program for computing the initial terms of this sequence</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%Y Cf. A089837, A089838.
%K nonn
%O 0,3
%A _Antti Karttunen_, Dec 05 2003