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A287363 Positions of 2 in A287360. 4
2, 5, 7, 9, 14, 17, 20, 22, 24, 29, 31, 33, 38, 40, 42, 47, 52, 57, 60, 63, 65, 67, 72, 75, 78, 80, 82, 87, 90, 93, 95, 97, 102, 104, 106, 111, 113, 115, 120, 125, 130, 133, 136, 138, 140, 145, 147, 149, 154, 156, 158, 163, 168, 173, 176, 179, 181, 183, 188 (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 -> {2, 1}, 2 -> 0}] &, {0}, 12] (* A287360 *)

Flatten[Position[s, 0]] (* A287361 *)

Flatten[Position[s, 1]] (* A287362 *)

Flatten[Position[s, 2]] (* A287363 *)

CROSSREFS

Cf. A287360, A287361, A287362.

Sequence in context: A115863 A333178 A169867 * A253275 A093417 A286162

Adjacent sequences:  A287360 A287361 A287362 * A287364 A287365 A287366

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 24 2017

STATUS

approved

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Last modified January 27 16:40 EST 2022. Contains 350611 sequences. (Running on oeis4.)