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A287181 Positions of 1 in A287179. 5
1, 2, 4, 5, 9, 11, 12, 14, 15, 19, 25, 27, 28, 32, 34, 35, 37, 38, 42, 44, 45, 47, 48, 52, 58, 60, 61, 65, 71, 77, 79, 80, 84, 86, 87, 89, 90, 94, 100, 102, 103, 107, 109, 110, 112, 113, 117, 119, 120, 122, 123, 127, 133, 135, 136, 140, 142, 143, 145, 146 (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, 0}, 1 -> {2, 0}, 2 -> 1}] &, {0}, 9] (* A287179 *)

Flatten[Position[s, 0]] (* A287180 *)

Flatten[Position[s, 1]] (* A287181 *)

Flatten[Position[s, 2]] (* A287182 *)

CROSSREFS

Cf. A287179, A287180, A287182.

Sequence in context: A098845 A298981 A069001 * A047378 A101155 A065825

Adjacent sequences:  A287178 A287179 A287180 * A287182 A287183 A287184

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 22 2017

STATUS

approved

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Last modified September 19 07:24 EDT 2020. Contains 337178 sequences. (Running on oeis4.)