%I #4 May 21 2017 21:29:33

%S 3,4,6,10,16,17,23,26,27,29,35,38,39,43,44,46,50,56,59,60,64,65,67,73,

%T 74,76,80,86,87,93,96,97,101,102,104,110,111,113,117,123,126,127,129,

%U 133,139,140,146,149,150,152,158,161,162,166,167,169,175,176,178

%N Positions of 0 in A287066.

%H Clark Kimberling, <a href="/A287067/b287067.txt">Table of n, a(n) for n = 1..10000</a>

%t s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 2}, 2 -> 0}] &, {1}, 10] (* A287066 *)

%t Flatten[Position[s, 0]] (* A287067 *)

%t Flatten[Position[s, 1]] (* A287068 *)

%t Flatten[Position[s, 2]] (* A287069 *)

%Y Cf. A287066, A287068, A287069.

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, May 21 2017