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A288695 Positions of 0 in A288694; complement of A288696. 3
1, 4, 5, 6, 9, 12, 13, 16, 17, 18, 21, 22, 23, 26, 29, 30, 31, 34, 37, 38, 41, 42, 43, 46, 49, 50, 53, 54, 55, 58, 59, 60, 63, 66, 67, 70, 71, 72, 75, 76, 77, 80, 83, 84, 85, 88, 91, 92, 95, 96, 97, 100, 101, 102, 105, 108, 109, 110, 113, 116, 117 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Conjecture:  a(n)/n ->1.93..., 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" -> "0110", "10" -> "100"}]

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

st = ToCharacterCode[w[11]] - 48   (* A288694 *)

Flatten[Position[st, 0]]  (* A288695 *)

Flatten[Position[st, 1]]  (* A288696 *)

Table[StringLength[w[n]], {n, 1, 35}]

CROSSREFS

Cf. A288694, A288696.

Sequence in context: A072496 A306482 A047431 * A182719 A003156 A192360

Adjacent sequences:  A288692 A288693 A288694 * A288696 A288697 A288698

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 16 2017

STATUS

approved

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Last modified September 21 11:44 EDT 2019. Contains 327253 sequences. (Running on oeis4.)