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A285502 Positions of 0 in A285501; complement of A285503. 5
1, 2, 5, 6, 9, 10, 13, 14, 21, 22, 25, 26, 33, 34, 37, 38, 41, 42, 45, 46, 49, 50, 53, 54, 61, 62, 65, 66, 73, 74, 77, 78, 81, 82, 85, 86, 89, 90, 93, 94, 101, 102, 105, 106, 113, 114, 117, 118, 121, 122, 125, 126, 129, 130, 133, 134, 141, 142, 145, 146, 153 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture:  a(n)/n -> (3+sqrt(5))/2.

LINKS

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

EXAMPLE

As a word, A285501 = 00110011..., in which 0 is in positions 1,2,5,6,9,...

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. A285501, A285503, A285504.

Sequence in context: A264120 A327220 A166097 * A276883 A288552 A187583

Adjacent sequences:  A285499 A285500 A285501 * A285503 A285504 A285505

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 30 2017

STATUS

approved

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Last modified May 28 17:37 EDT 2020. Contains 334684 sequences. (Running on oeis4.)