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A285659 Positions of 1 in A285657; complement of A285658. 4
1, 3, 4, 5, 6, 7, 9, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 23, 25, 26, 27, 28, 29, 31, 32, 33, 35, 36, 37, 39, 40, 41, 42, 43, 45, 46, 47, 49, 50, 51, 53, 54, 55, 56, 57, 59, 60, 61, 63, 64, 65, 67, 68, 69, 70, 71, 73, 74, 75, 77, 78, 79, 81, 82, 83, 84 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture:  a(n)/n -> (1 + sqrt(17))/4.

LINKS

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

EXAMPLE

As a word, A285657 = 101111101..., in which 1 is in positions 1,3,4,5,6,7,9,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 1}, 1 -> {1, 0, 1, 1}}] &, {0}, 10] (* A285657 *)

u = Flatten[Position[s, 0]]  (* A285658 *)

Flatten[Position[s, 1]]   (* A285659 *)

CROSSREFS

Cf. A285657, A285658.

Sequence in context: A002328 A039133 A113777 * A256421 A253200 A227938

Adjacent sequences:  A285656 A285657 A285658 * A285660 A285661 A285662

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, May 01 2017

STATUS

approved

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Last modified July 24 14:51 EDT 2021. Contains 346273 sequences. (Running on oeis4.)