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A287235 Positions of 0 in A287234. 4
2, 4, 7, 9, 11, 14, 16, 19, 20, 23, 25, 27, 30, 32, 34, 37, 39, 42, 43, 46, 48, 50, 53, 55, 58, 59, 62, 63, 66, 68, 71, 72, 75, 77, 79, 82, 84, 86, 89, 91, 94, 95, 98, 100, 102, 105, 107, 109, 112, 114, 117, 118, 121, 123, 125, 128, 130, 133, 134, 137, 138 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {2, 0}, 2 -> 1}] &, {1}, 10] (* A287234 *)

Flatten[Position[s, 0]] (* A287235 *)

Flatten[Position[s, 1]] (* A287236 *)

Flatten[Position[s, 2]] (* A287237 *)

CROSSREFS

Cf. A287236, A287236, A287237.

Sequence in context: A054406 A292647 A307645 * A190004 A182761 A329830

Adjacent sequences:  A287232 A287233 A287234 * A287236 A287237 A287238

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 24 2017

STATUS

approved

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Last modified August 11 00:32 EDT 2020. Contains 336403 sequences. (Running on oeis4.)