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A288525 Positions of 0 in A288524; complement of A288526. 3
1, 3, 5, 7, 8, 9, 11, 12, 13, 15, 16, 17, 19, 20, 22, 23, 25, 26, 27, 29, 30, 32, 33, 35, 36, 37, 39, 40, 42, 43, 45, 46, 48, 50, 52, 53, 55, 57, 59, 60, 61, 63, 64, 66, 67, 69, 70, 72, 74, 76, 77, 79, 81, 83, 84, 85, 87, 88, 90, 91, 93, 94, 96, 98, 100, 101 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture:  a(n)/n - > 1.52..., 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, A288526.

Sequence in context: A020884 A183855 A024352 * A134407 A218979 A183868

Adjacent sequences:  A288522 A288523 A288524 * A288526 A288527 A288528

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 14 2017

STATUS

approved

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Last modified February 17 11:57 EST 2019. Contains 320219 sequences. (Running on oeis4.)