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A287359 Positions of 2 in A287356. 4
2, 7, 9, 11, 14, 17, 22, 27, 32, 34, 36, 41, 43, 45, 50, 52, 54, 57, 60, 65, 67, 69, 72, 75, 80, 82, 84, 87, 90, 95, 100, 105, 107, 109, 112, 115, 120, 125, 130, 132, 134, 137, 140, 145, 150, 155, 157, 159, 164, 166, 168, 173, 175, 177, 180, 183, 188, 193 (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 -> {1, 1}, 1 -> {1, 2}, 2 -> 0}] &, {0}, 11] (* A287356 *)

Flatten[Position[s, 0]]  (* A287357 *)

Flatten[Position[s, 1]]  (* A287358 *)

Flatten[Position[s, 2]]  (* A287359 *)

CROSSREFS

Cf. A287356, A287357, A287358.

Sequence in context: A166570 A003668 A191263 * A022424 A136498 A297826

Adjacent sequences:  A287356 A287357 A287358 * A287360 A287361 A287362

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 24 2017

STATUS

approved

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Last modified September 20 10:49 EDT 2020. Contains 337264 sequences. (Running on oeis4.)