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A285084 Positions of 0 in A285083; complement of A285085. 5
2, 3, 6, 9, 13, 14, 18, 20, 21, 24, 28, 29, 32, 35, 39, 41, 42, 45, 49, 50, 53, 56, 60, 62, 63, 66, 70, 71, 74, 78, 79, 82, 85, 89, 90, 94, 96, 97, 100, 104, 105, 108, 112, 113, 116, 119, 123, 125, 126, 129, 132, 136, 137, 141, 143, 144, 147, 151, 152, 155 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: 0 < n*r - a(n) < r for n>=1, where r = (3+sqrt(5))/2.

LINKS

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

EXAMPLE

As a word, A285083 = 1001101101110..., in which 0 is in positions 2,3,6,9,13,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {0, 1, 1}}] &, {0}, 13]; (* A285083 *)

Flatten[Position[s, 0]];  (* A285084 *)

Flatten[Position[s, 1]];  (* A285085 *)

CROSSREFS

Cf. A285080, A285083, A285085.

Sequence in context: A123316 A303365 A096845 * A248187 A190772 A130673

Adjacent sequences:  A285081 A285082 A285083 * A285085 A285086 A285087

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 19 2017

STATUS

approved

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Last modified August 4 16:10 EDT 2021. Contains 346447 sequences. (Running on oeis4.)