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A286337 Positions of 0 in A286336; complement of A286338. 3
1, 2, 3, 4, 7, 8, 10, 11, 12, 13, 15, 18, 19, 20, 21, 22, 25, 26, 28, 31, 32, 33, 34, 35, 37, 38, 39, 40, 43, 44, 46, 47, 48, 49, 51, 54, 55, 56, 57, 58, 60, 61, 62, 63, 66, 67, 69, 72, 73, 74, 75, 76, 79, 80, 82, 83, 84, 85, 87, 90, 91, 92, 93, 94, 97, 98 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture: a(n)/n -> 3/2.

LINKS

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

EXAMPLE

As a word, A286336 = 0000110010000101100000110..., in which 0 is in positions 1,2,3,4,7,8,10,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 0}}] &, {0}, 9] (* A010060 *)

w = StringJoin[Map[ToString, s]]

w1 = StringReplace[w, {"1101" -> "0"}]

st = ToCharacterCode[w1] - 48  (* A286336 *)

Flatten[Position[st, 0]]  (* A286337 *)

Flatten[Position[st, 1]]  (* A286338 *)

CROSSREFS

Cf. A010060, A286336, A286338.

Sequence in context: A113318 A056033 A302123 * A047547 A014456 A089190

Adjacent sequences:  A286334 A286335 A286336 * A286338 A286339 A286340

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 08 2017

STATUS

approved

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Last modified September 21 05:55 EDT 2020. Contains 337267 sequences. (Running on oeis4.)