%I #7 May 26 2017 02:41:38
%S 2,5,7,9,14,17,20,22,24,29,31,33,38,40,42,47,52,57,60,63,65,67,72,75,
%T 78,80,82,87,90,93,95,97,102,104,106,111,113,115,120,125,130,133,136,
%U 138,140,145,147,149,154,156,158,163,168,173,176,179,181,183,188
%N Positions of 2 in A287360.
%H Clark Kimberling, <a href="/A287363/b287363.txt">Table of n, a(n) for n = 1..10000</a>
%t s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {2, 1}, 2 -> 0}] &, {0}, 12] (* A287360 *)
%t Flatten[Position[s, 0]] (* A287361 *)
%t Flatten[Position[s, 1]] (* A287362 *)
%t Flatten[Position[s, 2]] (* A287363 *)
%Y Cf. A287360, A287361, A287362.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, May 24 2017
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