%I #5 Mar 30 2012 18:39:21
%S 0,2,5,6,7,10,12,13,16,18,20,21,24,26,27,29,31,32,33,34,35,38,40,41,
%T 42,43,44,45,46,48,54,55,58,60,63,65,67,68,70,71,76,79,86,88,89,90,91,
%U 92,95,98,100,103,104,106,107,112,113,114,117,118,119,123,128,130,131,133
%N Indices n such that S^n(1) is an integer where S(x) = 3/2*ceiling(x).
%F Conjecture : a(n)=2n+O(sqrt(n))
%Y Cf. A005187.
%K nonn
%O 0,2
%A _Benoit Cloitre_, Oct 07 2003
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