%I #6 Mar 30 2012 18:50:54
%S 0,1,2,3,4,5,6,7,8,9,12,13,14,15,16,17,18,19,10,11,22,23,24,25,26,27,
%T 28,20,21,29,32,33,34,35,36,37,38,39,30,31,42,43,44,45,46,47,48,40,41,
%U 49,52,53,54,55,56,57,58,59,50,51,62,63,64,65,66,67,68,60,61,69,72,73,74
%N A118764(A118764(n)).
%C Inverse integer permutation of A118765;
%C A118763(a(n)) = a(A118763(n)) = A118764(n).
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%Y Cf. A118765.
%K nonn
%O 0,3
%A _Reinhard Zumkeller_, May 01 2006
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