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A286494 Positions of 0 in A286493; complement of A286495. 3
1, 4, 6, 7, 10, 11, 12, 13, 15, 16, 17, 18, 19, 22, 24, 25, 28, 29, 30, 31, 32, 35, 37, 38, 39, 40, 42, 43, 46, 47, 48, 49, 51, 52, 53, 54, 55, 58, 60, 61, 62, 63, 65, 66, 69, 70, 71, 72, 73, 76, 78, 79, 82, 83, 84, 85, 87, 88, 89, 90, 91, 94, 96, 97, 100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) - a(n-1) is in {1,2,3} for n>=2.  Conjecture: a(n)/n -> 3/2.

LINKS

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

EXAMPLE

As a word, A286493 = 01101001100001000001..., in which 0 is in positions 1,4,6,7,10,...

MATHEMATICA

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

w = StringJoin[Map[ToString, s]]

w1 = StringReplace[w, {"1011" -> "0"}]

st = ToCharacterCode[w1] - 48  (* A286493 *)

Flatten[Position[st, 0]]  (* A286494 *)

Flatten[Position[st, 1]]  (* A286495 *)

CROSSREFS

Cf. A010060, A286493, A286495.

Sequence in context: A243193 A087790 A278960 * A086170 A123088 A256657

Adjacent sequences:  A286491 A286492 A286493 * A286495 A286496 A286497

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 11 2017

STATUS

approved

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Last modified May 29 09:36 EDT 2020. Contains 334698 sequences. (Running on oeis4.)