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A284933 Positions of 0 in A284792; complement of A284934. 3
1, 4, 7, 10, 12, 16, 19, 23, 25, 28, 31, 34, 36, 40, 42, 45, 48, 52, 55, 58, 60, 64, 67, 71, 73, 76, 79, 83, 86, 89, 91, 95, 97, 100, 103, 106, 108, 112, 115, 119, 121, 124, 127, 130, 132, 136, 138, 141, 144, 148, 151, 154, 156, 160, 162, 165, 168, 171, 173 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) - a(n-1) is in {2,3,4} for n>=2.  Conjecture: a(n)/n -> 3.

LINKS

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

EXAMPLE

As a word, A284932 = 0110110110101110..., in which 0 is in positions 1,4,7,10,12,...

MATHEMATICA

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

w = StringJoin[Map[ToString, s]]

w1 = StringReplace[w, {"1001" -> "1"}]

st = ToCharacterCode[w1] - 48  (* A284792 *)

Flatten[Position[st, 0]]  (* A284933 *)

Flatten[Position[st, 1]]  (* A284934 *)

CROSSREFS

Cf. A010060, A284792, A284934.

Sequence in context: A320929 A104280 A083032 * A020965 A065713 A184850

Adjacent sequences:  A284930 A284931 A284932 * A284934 A284935 A284936

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 10 2017

EXTENSIONS

Definition corrected by Georg Fischer, Jun 05 2020

STATUS

approved

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Last modified September 24 23:43 EDT 2022. Contains 356951 sequences. (Running on oeis4.)