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A284753 Positions of 1 in A284751; complement of A284752. 3
2, 6, 8, 10, 12, 16, 18, 22, 24, 28, 30, 34, 36, 38, 40, 44, 46, 50, 52, 54, 56, 60, 62, 66, 68, 70, 72, 76, 78, 82, 84, 86, 88, 92, 94, 98, 100, 104, 106, 110, 112, 114, 116, 120, 122, 126, 128, 130, 132, 136, 138, 142, 144, 148, 150, 154, 156, 158, 160 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: -2 < n*r - a(n) < 3 for n >= 1, where r = 1 + sqrt(3).

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

EXAMPLE

As a word, A284751 = 010001..., in which 1 is in positions 2,6,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0, 0, 0, 1}}] &, {0}, 6] (* A284751 *)

Flatten[Position[s, 0]]  (* A284752 *)

Flatten[Position[s, 1]]  (* A284753 *)

CROSSREFS

Cf. A284751, A284752.

Sequence in context: A216032 A076300 A049637 * A258663 A166447 A075332

Adjacent sequences:  A284750 A284751 A284752 * A284754 A284755 A284756

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 13 2017

STATUS

approved

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Last modified October 18 02:23 EDT 2019. Contains 328135 sequences. (Running on oeis4.)