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A288316 Positions of 1 in A288314; complement of A288315. 5
4, 11, 15, 19, 25, 32, 39, 43, 50, 54, 58, 64, 68, 72, 78, 85, 89, 93, 99, 106, 113, 117, 124, 131, 138, 142, 149, 153, 157, 163, 170, 177, 181, 188, 192, 196, 202, 206, 210, 216, 223, 227, 231, 237, 241, 245, 251, 255, 259 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: a(n)/n-> 5.40..., and if m denotes this number, then -1 < m - a(n)/n < 2 for n >= 1.

LINKS

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

MATHEMATICA

s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];

w[n_] := StringReplace[w[n - 1], {"00" -> "0001", "1" -> "00"}]

Table[w[n], {n, 0, 8}]

st = ToCharacterCode[w[11]] - 48   (* A288314 *)

Flatten[Position[st, 0]]  (* A288315 *)

Flatten[Position[st, 1]]  (* A288316 *)

CROSSREFS

Cf. A288314, A288315.

Sequence in context: A091436 A032822 A344258 * A003250 A320494 A190509

Adjacent sequences:  A288313 A288314 A288315 * A288317 A288318 A288319

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 09 2017

STATUS

approved

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Last modified November 29 04:38 EST 2021. Contains 349416 sequences. (Running on oeis4.)