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A284959 Positions of 1 in A284957; complement of A284958. 4
1, 3, 5, 10, 12, 14, 16, 21, 23, 25, 27, 32, 37, 42, 47, 49, 51, 53, 58, 60, 62, 64, 69, 71, 73, 75, 80, 82, 84, 86, 91, 96, 101, 106, 108, 110, 112, 117, 119, 121, 123, 128, 130, 132, 134, 139, 141, 143, 145, 150, 155, 160, 165, 167, 169, 171, 176, 181, 186 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture:  a(n)/n -> (3 + sqrt(13))/2.

LINKS

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

EXAMPLE

As a word, A284957 = 10101000010..., in which 1 is in positions 1,3,5,10,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {0, 0, 0}}] &, {0}, 9]; (* A284957 *)

Flatten[Position[s, 0]]; (* A284958  *)

Flatten[Position[s, 1]];  (* A284959 *)

CROSSREFS

Cf. A284958, A284959.

Sequence in context: A321793 A075741 A119133 * A285415 A275668 A212537

Adjacent sequences:  A284956 A284957 A284958 * A284960 A284961 A284962

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 18 2017

STATUS

approved

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Last modified August 7 22:44 EDT 2020. Contains 336279 sequences. (Running on oeis4.)