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A285970 Positions of 0 in A285969; complement of A285971. 3
1, 3, 4, 5, 7, 9, 10, 12, 13, 15, 16, 17, 19, 20, 22, 23, 25, 27, 28, 29, 31, 33, 34, 36, 37, 39, 40, 42, 44, 45, 46, 48, 49, 51, 52, 53, 55, 57, 58, 60, 61, 63, 64, 65, 67, 68, 70, 71, 73, 75, 76, 77, 79, 80, 82, 83, 84, 86, 88, 89, 91, 92, 94, 95, 97, 99 (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, A285969 = 0100010100100......, in which 0 is in positions 1,3,4,5,7,9,...

MATHEMATICA

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

w = StringJoin[Map[ToString, s]]

w1 = StringReplace[w, {"0110" -> "0"}]

st = ToCharacterCode[w1] - 48 (* A285969 *)

Flatten[Position[st, 0]]  (* A285970 *)

Flatten[Position[st, 1]]  (* A285971 *)

CROSSREFS

Cf. A010060, A285969, A285971.

Sequence in context: A183172 A136495 A184419 * A189665 A156246 A136014

Adjacent sequences:  A285967 A285968 A285969 * A285971 A285972 A285973

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 08 2017

STATUS

approved

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Last modified July 16 04:26 EDT 2019. Contains 325064 sequences. (Running on oeis4.)