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%I #4 May 24 2017 20:55:15
%S 2,4,5,8,12,14,15,18,21,24,30,32,36,38,39,42,48,50,54,56,58,60,61,64,
%T 68,70,71,74,77,80,86,88,92,94,95,98,104,106,110,112,113,116,122,124,
%U 128,130,131,134,140,142,146,148,152,154,158,160,162,164,165,168
%N Positions of 0 in A287345.
%H Clark Kimberling, <a href="/A287346/b287346.txt">Table of n, a(n) for n = 1..10000</a>
%t s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {2, 0}, 2 -> 0}] &, {0}, 11] (* A287345 *)
%t Flatten[Position[s, 0]] (* A287346 *)
%t Flatten[Position[s, 1]] (* A287347 *)
%t Flatten[Position[s, 2]] (* A287348 *)
%Y Cf. A287346, A287347, A287348.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, May 24 2017
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