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A287371 Positions of 2 in A287368. 4
1, 3, 8, 10, 12, 17, 22, 27, 30, 33, 35, 37, 42, 44, 46, 51, 53, 55, 60, 65, 70, 73, 76, 78, 80, 85, 90, 95, 98, 101, 103, 105, 110, 115, 120, 123, 126, 128, 130, 135, 138, 141, 143, 145, 150, 153, 156, 158, 160, 165, 167, 169, 174, 176, 178, 183, 188, 193 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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}, 14] (* A287368 *)

Flatten[Position[s, 0]] (* A287369 *)

Flatten[Position[s, 1]] (* A287370 *)

Flatten[Position[s, 2]] (* A287371 *)

CROSSREFS

Cf. A287368, A287369, A287370.

Sequence in context: A177091 A246589 A327308 * A226641 A212966 A074186

Adjacent sequences:  A287368 A287369 A287370 * A287372 A287373 A287374

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 25 2017

STATUS

approved

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Last modified August 9 18:32 EDT 2020. Contains 336326 sequences. (Running on oeis4.)