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A286753 Positions of 0 in A286752; complement of A286753. 3
2, 4, 5, 7, 9, 12, 14, 15, 17, 19, 22, 24, 26, 27, 29, 32, 34, 36, 37, 39, 42, 44, 46, 47, 49, 51, 54, 56, 57, 59, 61, 64, 66, 68, 69, 71, 74, 76, 78, 79, 81, 84, 86, 88, 89, 91, 93, 96, 98, 99, 101, 103, 106, 108, 109, 111, 113, 116, 118, 120, 121, 123, 126 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

2n - a(n) is in {0,1} for n>=1.

LINKS

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

FORMULA

a(n) = 1 - A286754(n) for n >= 1.

EXAMPLE

As a word, A286752 = 10100101011010010101101001001..., in which 0 is in positions 2,4,5,7,9,12,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0}}] &, {0}, 12]; (* A003849 *)

w = StringJoin[Map[ToString, s]];

w1 = StringReplace[w, {"010010" -> ""}];

st = ToCharacterCode[w1] - 48; (* A286752 *)

Flatten[Position[st, 0]];  (* A286753 *)

Flatten[Position[st, 1]];  (* A286754 *)

CROSSREFS

Cf. A003849, A286752, A286754.

Sequence in context: A158618 A000788 A053039 * A325543 A214051 A027861

Adjacent sequences:  A286750 A286751 A286752 * A286754 A286755 A286756

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 14 2017

STATUS

approved

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Last modified August 3 21:16 EDT 2021. Contains 346441 sequences. (Running on oeis4.)