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A286057 Positions of 1 in A286055; complement of A286056. 3
2, 3, 4, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 19, 20, 22, 23, 25, 26, 27, 30, 31, 32, 33, 34, 35, 36, 38, 39, 41, 42, 43, 44, 45, 46, 47, 50, 51, 52, 53, 54, 55, 56, 58, 59, 61, 62, 63, 66, 67, 68, 70, 71, 73, 74, 75, 76, 77, 78, 79, 82, 83, 84, 86, 87, 89 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: a(n)/n -> 4/3.

LINKS

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

EXAMPLE

As a word, A286055 = 011101101111111001..., in which 1 is in positions 2,3,4,6,7,9,...

MATHEMATICA

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

w = StringJoin[Map[ToString, s]]

w1 = StringReplace[w, {"010" -> "0"}]

st = ToCharacterCode[w1] - 48 (* A286055 *)

Flatten[Position[st, 0]]  (* A286056 *)

Flatten[Position[st, 1]]  (* A286057 *)

CROSSREFS

Cf. A010060, A286055, A286056.

Sequence in context: A114956 A039256 A039197 * A039148 A065904 A039108

Adjacent sequences:  A286054 A286055 A286056 * A286058 A286059 A286060

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 08 2017

STATUS

approved

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Last modified August 20 19:51 EDT 2019. Contains 326155 sequences. (Running on oeis4.)