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A287774 Positions of 0 in A287773; complement of A287777. 5
1, 3, 5, 7, 9, 10, 12, 14, 16, 18, 20, 22, 24, 25, 27, 29, 31, 33, 34, 36, 38, 40, 42, 44, 46, 48, 49, 51, 53, 55, 57, 59, 61, 63, 64, 66, 68, 70, 72, 73, 75, 77, 79, 81, 83, 85, 87, 88, 90, 92, 94, 96, 97, 99, 101, 103, 105, 107, 109, 111, 112, 114, 116 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

0 < n*r - a(n) < 2 for n >= 1, where r = (-3  + 3*sqrt(5))/2.

LINKS

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

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0}}] &, {0}, 10] (* A003849 *)

w = StringJoin[Map[ToString, s]]

w1 = StringReplace[w, {"0" -> "010", "1" -> "101"}]

st = ToCharacterCode[w1] - 48    (* A287773 *)

Flatten[Position[st, 0]]  (* A287774 *)

Flatten[Position[st, 1]]  (* A287777 *)

CROSSREFS

Cf. A287773, A287777.

Sequence in context: A329837 A214315 A249098 * A308412 A327254 A054684

Adjacent sequences:  A287771 A287772 A287773 * A287775 A287776 A287777

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 03 2017

STATUS

approved

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Last modified December 5 05:51 EST 2020. Contains 338944 sequences. (Running on oeis4.)