%I #6 Mar 30 2012 18:50:54
%S 0,1,2,3,4,5,6,7,8,9,18,19,10,11,12,13,14,15,16,17,27,28,20,21,22,23,
%T 24,25,26,29,38,39,30,31,32,33,34,35,36,37,47,48,40,41,42,43,44,45,46,
%U 49,58,59,50,51,52,53,54,55,56,57,67,68,60,61,62,63,64,65,66,69,78,79,70
%N A118763(A118763(n)).
%C Inverse integer permutation of A118766;
%C A118764(a(n)) = a(A118764(n)) = A118763(n).
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%Y Cf. A118766.
%K nonn
%O 0,3
%A _Reinhard Zumkeller_, May 01 2006
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