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A285033 Positions of 1 in A285031; complement of A285032. 3
3, 4, 8, 9, 11, 13, 17, 18, 20, 24, 27, 28, 32, 33, 37, 38, 40, 42, 46, 47, 49, 53, 56, 57, 59, 61, 65, 68, 69, 71, 73, 77, 80, 81, 85, 86, 90, 91, 93, 95, 99, 100, 102, 106, 109, 110, 112, 114, 118, 121, 122, 126, 127, 131, 132, 134, 136, 140, 143, 144, 148 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: -1 < n*r - a(n) < 2 for n>=1, where r = 1 + sqrt(2).

LINKS

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

EXAMPLE

As a word, A285031 = 00110..., in which 1 is in positions 3,4,8,9,11,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {0, 0, 1}}] &, {0}, 8]; (* A285031 *)

Flatten[Position[s, 0]]; (* A285032  *)

Flatten[Position[s, 1]]; (* A285033 *)

CROSSREFS

Cf. A285031, A285032, A285036.

Sequence in context: A054204 A050003 A002156 * A073258 A170954 A286750

Adjacent sequences:  A285030 A285031 A285032 * A285034 A285035 A285036

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 19 2017

STATUS

approved

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Last modified January 29 11:16 EST 2020. Contains 331337 sequences. (Running on oeis4.)