%I #6 Mar 30 2012 18:50:53
%S 1,2,3,4,5,6,12,9,10,7,11,8,13,14,15,16,17,18,19,20,26,22,24,23,25,21,
%T 27,28,32,37,31,35,30,34,33,29,36,40,39,41,42,45,43,44,38,52,47,53,46,
%U 51,48,54,55,58,60,56,57,50,59,49,61,62,63,64,65,66,72,67,69,71,68,70
%N A113001(A113001(n)).
%C Inverse integer permutation of A113007;
%C A113004(a(n)) = a(A113004(n)) = A113001(n).
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Oct 10 2005