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A284958 Positions of 0 in A284957; complement of A284959. 4
2, 4, 6, 7, 8, 9, 11, 13, 15, 17, 18, 19, 20, 22, 24, 26, 28, 29, 30, 31, 33, 34, 35, 36, 38, 39, 40, 41, 43, 44, 45, 46, 48, 50, 52, 54, 55, 56, 57, 59, 61, 63, 65, 66, 67, 68, 70, 72, 74, 76, 77, 78, 79, 81, 83, 85, 87, 88, 89, 90, 92, 93, 94, 95, 97, 98 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture:  a(n)/n -> (5 + sqrt(13))/6.

LINKS

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

EXAMPLE

As a word, A284957 = 10101000010..., in which 0 is in positions 2,4,6,7,8,9,...

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. A284957, A284959.

Sequence in context: A039045 A050481 A285416 * A014530 A268445 A053663

Adjacent sequences:  A284955 A284956 A284957 * A284959 A284960 A284961

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 18 2017

STATUS

approved

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Last modified October 17 05:58 EDT 2021. Contains 348048 sequences. (Running on oeis4.)