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A284470 Positions of 1 in A284468; complement of A284469. 3
2, 5, 7, 10, 11, 13, 17, 20, 22, 25, 26, 28, 31, 33, 36, 37, 39, 43, 46, 48, 51, 52, 53, 55, 58, 59, 61, 64, 66, 69, 70, 72, 76, 80, 83, 85, 88, 89, 91, 95, 98, 100, 103, 104, 106, 109, 111, 114, 115, 117, 121, 124, 126, 129, 130, 131, 133, 136, 137, 139 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: a(n)/n -> (1 + sqrt(13))/2.

LINKS

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

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 1, 0, 0}}] &, {0}, 16]; (* A284468 *)

Flatten[Position[s, 0]];  (* A284469 *)

Flatten[Position[s, 1]];  (* A284470*)

CROSSREFS

Cf. A284468, A284469, A284473.

Sequence in context: A330777 A259749 A067934 * A112730 A288602 A049842

Adjacent sequences:  A284467 A284468 A284469 * A284471 A284472 A284473

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 02 2017

STATUS

approved

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Last modified September 29 06:29 EDT 2020. Contains 337425 sequences. (Running on oeis4.)