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A287347 Positions of 1 in A287345. 4

%I

%S 6,7,9,10,16,17,19,20,22,23,25,26,27,28,33,34,40,41,43,44,45,46,51,52,

%T 62,63,65,66,72,73,75,76,78,79,81,82,83,84,89,90,96,97,99,100,101,102,

%U 107,108,114,115,117,118,119,120,125,126,132,133,135,136,137

%N Positions of 1 in A287345.

%H Clark Kimberling, <a href="/A287347/b287347.txt">Table of n, a(n) for n = 1..10000</a>

%t s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {2, 0}, 2 -> 0}] &, {0}, 11] (* A287345 *)

%t Flatten[Position[s, 0]] (* A287346 *)

%t Flatten[Position[s, 1]] (* A287347 *)

%t Flatten[Position[s, 2]] (* A287348 *)

%Y Cf. A287345, A287346, A287348.

%K nonn,easy

%O 1,1

%A _Clark Kimberling_, May 24 2017

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Last modified May 25 06:43 EDT 2022. Contains 354049 sequences. (Running on oeis4.)