%I #4 May 21 2017 14:35:31
%S 2,8,10,12,16,20,26,32,38,40,42,48,50,52,58,60,62,66,70,76,78,80,84,
%T 88,94,96,98,102,106,112,118,124,126,128,132,136,142,148,154,156,158,
%U 162,166,172,178,184,186,188,194,196,198,204,206,208,212,216,222
%N Positions of 1 in A287086.
%H Clark Kimberling, <a href="/A287088/b287088.txt">Table of n, a(n) for n = 1..10000</a>
%t s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {2, 2}, 2 -> 0}] &, {0}, 10] (* A287086 *)
%t Flatten[Position[s, 0]] (* A287087 *)
%t Flatten[Position[s, 1]] (* A287088 *)
%t Flatten[Position[s, 2]] (* A287089 *)
%Y Cf. A287086, A287087, A287089.
%K nonn,easy
%O 1,1
%A _Clark Kimberling_, May 21 2017
|