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A288374 Positions of 1 in A288372; complement of A288316. 3
4, 7, 11, 13, 17, 20, 23, 27, 30, 34, 36, 40, 42, 46, 49, 53, 55, 59, 62, 65, 69, 72, 75, 79, 82, 86, 88, 92, 95, 98, 102, 105, 109, 111, 115, 117, 121, 124, 128, 130, 134, 136, 140, 143, 147, 149, 153, 156, 159, 163, 166, 170, 172, 176, 178, 182, 185, 189 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: a(n)/n-> 3.24..., and if m denotes this number, then -1 < m - a(n)/n < 1 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" -> "01"}]

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

st = ToCharacterCode[w[11]] - 48   (* A288372 *)

Flatten[Position[st, 0]]  (* A288373 *)

Flatten[Position[st, 1]]  (* A288374 *)

CROSSREFS

Cf. A288372, A288373.

Sequence in context: A310721 A091855 A191404 * A308199 A310722 A092403

Adjacent sequences:  A288371 A288372 A288373 * A288375 A288376 A288377

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 09 2017

STATUS

approved

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Last modified October 27 12:08 EDT 2021. Contains 348276 sequences. (Running on oeis4.)