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A285503 Positions of 1 in A285501; complement of A285502. 5
3, 4, 7, 8, 11, 12, 15, 16, 17, 18, 19, 20, 23, 24, 27, 28, 29, 30, 31, 32, 35, 36, 39, 40, 43, 44, 47, 48, 51, 52, 55, 56, 57, 58, 59, 60, 63, 64, 67, 68, 69, 70, 71, 72, 75, 76, 79, 80, 83, 84, 87, 88, 91, 92, 95, 96, 97, 98, 99, 100, 103, 104, 107, 108 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture:  a(n)/n -> (1+sqrt(5))/2 = golden ratio (A001622).

LINKS

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

EXAMPLE

As a word, A285501 = 00110011..., in which 1 is in positions 3,4,7,8,11,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {0, 0, 1, 1}}] &, {0}, 8] (* A285501 *)

Flatten[Position[s, 0]]  (* A285502 *)

Flatten[Position[s, 1]]  (* A285503 *)

CROSSREFS

Cf. A001622, A285501, A285503, A285504.

Sequence in context: A187582 A288553 A295771 * A327221 A014601 A154708

Adjacent sequences:  A285500 A285501 A285502 * A285504 A285505 A285506

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 30 2017

STATUS

approved

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Last modified September 27 00:14 EDT 2020. Contains 337378 sequences. (Running on oeis4.)