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A288526 Positions of 1 in A288524; complement of A288525. 3
2, 4, 6, 10, 14, 18, 21, 24, 28, 31, 34, 38, 41, 44, 47, 49, 51, 54, 56, 58, 62, 65, 68, 71, 73, 75, 78, 80, 82, 86, 89, 92, 95, 97, 99, 102, 104, 106, 109, 111, 113, 117, 121, 124, 126, 128, 132, 136, 140, 143, 146, 149, 151, 153, 156, 158, 160, 163, 165 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture:  a(n)/n - > 2.91..., 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" -> "0101", "10" -> "010"}]

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

st = ToCharacterCode[w[19]] - 48   (* A288524 *)

Flatten[Position[st, 0]]  (* A288525 *)

Flatten[Position[st, 1]]  (* A288526 *)

CROSSREFS

Cf. A288524, A288525.

Sequence in context: A259645 A191113 A125964 * A139544 A062091 A100143

Adjacent sequences:  A288523 A288524 A288525 * A288527 A288528 A288529

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 14 2017

STATUS

approved

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Last modified December 2 03:22 EST 2020. Contains 338865 sequences. (Running on oeis4.)