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A287004 Positions of 1 in A287002. 4
2, 5, 7, 11, 14, 16, 18, 21, 23, 27, 31, 34, 36, 40, 43, 45, 47, 50, 52, 54, 57, 59, 63, 66, 68, 70, 73, 75, 79, 83, 86, 88, 92, 96, 99, 101, 105, 108, 110, 112, 115, 117, 121, 125, 128, 130, 134, 137, 139, 141, 144, 146, 148, 151, 153, 157, 160, 162, 164 (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}] &, {0}, 10](* A287002 *)

Flatten[Position[s, 0]]  (* A287003 *)

Flatten[Position[s, 1]]  (* A287004 *)

Flatten[Position[s, 2]]  (* A287081 *)

CROSSREFS

Cf. A287002, A287003, A287081.

Sequence in context: A038885 A302988 A079379 * A095272 A236762 A099835

Adjacent sequences:  A287001 A287002 A287003 * A287005 A287006 A287007

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 21 2017

STATUS

approved

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Last modified July 18 19:00 EDT 2019. Contains 325144 sequences. (Running on oeis4.)