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A284473 Positions of 1 in A284471; complement of A284472. 4
1, 3, 6, 7, 9, 12, 14, 17, 18, 20, 24, 27, 29, 32, 33, 34, 36, 39, 40, 42, 45, 47, 50, 51, 53, 57, 60, 62, 65, 66, 68, 71, 73, 76, 77, 79, 83, 86, 88, 91, 92, 93, 95, 98, 99, 101, 104, 106, 109, 110, 112, 116, 120, 123, 125, 128, 129, 131, 135, 138, 140, 143 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..14208

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1}, 1 -> {0, 1, 0, 0}}] &, {0}, 17]; (* A284471 *)

Flatten[Position[s, 0]];  (* A284472 *)

Flatten[Position[s, 1]];  (* A284473*)

CROSSREFS

Cf. A284471, A284472.

Sequence in context: A131392 A131397 A176409 * A120684 A324927 A026227

Adjacent sequences:  A284470 A284471 A284472 * A284474 A284475 A284476

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 02 2017

STATUS

approved

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Last modified June 15 22:19 EDT 2019. Contains 324145 sequences. (Running on oeis4.)