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%I #8 Jun 04 2020 08:17:02
%S 3,12,15,18,23,28,37,46,55,58,61,70,73,76,85,88,91,96,101,110,113,116,
%T 121,126,135,138,141,146,151,160,169,178,181,184,189,194,203,212,221,
%U 224,227,232,237,246,255,264,267,270,279,282,285,294,297,300,305
%N Positions of 0 in A287356.
%H Clark Kimberling, <a href="/A287357/b287357.txt">Table of n, a(n) for n = 1..10000</a>
%t s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {1, 2}, 2 -> 0}] &, {0}, 11] (* A287356 *)
%t Flatten[Position[s, 0]] (* A287357 *)
%t Flatten[Position[s, 1]] (* A287358 *)
%t Flatten[Position[s, 2]] (* A287359 *)
%Y Cf. A287356, A287358, A287359.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, May 24 2017
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