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A287777 Positions of 1 in A287773; complement of A287774. 5
2, 4, 6, 8, 11, 13, 15, 17, 19, 21, 23, 26, 28, 30, 32, 35, 37, 39, 41, 43, 45, 47, 50, 52, 54, 56, 58, 60, 62, 65, 67, 69, 71, 74, 76, 78, 80, 82, 84, 86, 89, 91, 93, 95, 98, 100, 102, 104, 106, 108, 110, 113, 115, 117, 119, 121, 123, 125, 128, 130, 132 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

-1 < n*r - a(n) < 1 for n >= 1, where r = (15  + 3*sqrt(5))/10.

LINKS

Table of n, a(n) for n=1..61.

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. A287772, A287773.

Sequence in context: A051244 A054683 A327255 * A249099 A190327 A241176

Adjacent sequences:  A287774 A287775 A287776 * A287778 A287779 A287780

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 03 2017

STATUS

approved

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Last modified October 21 03:24 EDT 2019. Contains 328291 sequences. (Running on oeis4.)