%I #4 May 25 2017 09:36:12
%S 7,16,21,26,29,32,41,50,59,64,69,72,75,84,89,94,97,100,109,114,119,
%T 122,125,134,137,140,149,152,155,164,173,182,187,192,195,198,207,216,
%U 225,230,235,238,241,250,259,268,273,278,281,284,293,298,303,306,309
%N Positions of 0 in A287368.
%H Clark Kimberling, <a href="/A287369/b287369.txt">Table of n, a(n) for n = 1..10000</a>
%t s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {2, 1}, 2 -> 0}] &, {0}, 14] (* A287368 *)
%t Flatten[Position[s, 0]] (* A287369 *)
%t Flatten[Position[s, 1]] (* A287370 *)
%t Flatten[Position[s, 2]] (* A287371 *)
%Y Cf. A287368, A287370, A287371.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, May 25 2017