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%I #7 Feb 10 2018 19:42:05
%S 1,2,5,6,7,10,13,16,18,20,21,22,25,26,27,30,31,32,35,38,41,43,45,46,
%T 47,50,53,56,58,60,61,62,65,68,71,73,75,76,77,80,82,84,85,86,89,91,93,
%U 94,95,98,99,100,103,104,105,108,111,114,116,118,119,120,123
%N Positions of 1 in A287364.
%H Clark Kimberling, <a href="/A287366/b287366.txt">Table of n, a(n) for n = 1..10000</a>
%t s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {2, 1}, 2 -> 0}] &, {0}, 13] (* A287364 *)
%t Flatten[Position[s, 0]] (* A287365 *)
%t Flatten[Position[s, 1]] (* A287366 *)
%t Flatten[Position[s, 2]] (* A287367 *)
%Y Cf. A287365, A287367.
%K nonn,easy
%O 1,2
%A _Clark Kimberling_, May 24 2017
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