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A287000 Positions of 1 in A286998. 4
2, 6, 8, 12, 15, 19, 23, 26, 30, 32, 36, 39, 43, 45, 49, 52, 56, 60, 63, 67, 69, 73, 76, 80, 83, 87, 89, 93, 96, 100, 104, 107, 111, 113, 117, 120, 124, 128, 131, 135, 137, 141, 144, 148, 151, 155, 157, 161, 164, 168, 172, 175, 179, 181, 185, 188, 192, 194 (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, 0}, 1 -> {2, 0}, 2 -> 0}] &, {0}, 9] (* A286998 *)

Flatten[Position[s, 0]] (* A286999 *)

Flatten[Position[s, 1]] (* A287000 *)

Flatten[Position[s, 2]] (* A287001 *)

CROSSREFS

Cf. A286998, A286999, A287001.

Sequence in context: A178406 A189515 A190344 * A282358 A064796 A304483

Adjacent sequences:  A286997 A286998 A286999 * A287001 A287002 A287003

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 22 2017

STATUS

approved

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Last modified June 16 03:44 EDT 2019. Contains 324145 sequences. (Running on oeis4.)