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A287110 Positions of 1 in A287108. 4
1, 5, 8, 10, 11, 15, 17, 18, 21, 22, 24, 28, 31, 33, 34, 37, 38, 40, 44, 46, 47, 49, 53, 54, 58, 61, 63, 64, 68, 70, 71, 74, 75, 77, 81, 83, 84, 86, 90, 91, 95, 98, 100, 101, 104, 105, 107, 111, 112, 116, 119, 121, 122, 124, 128, 131, 133, 134, 138, 140, 141 (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, 1}, 2 -> 0}] &, {0}, 10] (* A287108 *)

Flatten[Position[s, 0]] (* A287109 *)

Flatten[Position[s, 1]] (* A287110 *)

Flatten[Position[s, 2]] (* A287111 *)

CROSSREFS

Cf. A287108, A287109, A287111.

Sequence in context: A024707 A156288 A270535 * A194425 A314376 A205841

Adjacent sequences:  A287107 A287108 A287109 * A287111 A287112 A287113

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 21 2017

STATUS

approved

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Last modified July 22 15:12 EDT 2019. Contains 325224 sequences. (Running on oeis4.)