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A288927 Positions of 0 in A288926; complement of A288928. 3
2, 3, 4, 5, 7, 8, 9, 12, 13, 14, 16, 17, 18, 20, 21, 22, 24, 25, 26, 29, 30, 31, 32, 33, 34, 37, 38, 39, 41, 42, 43, 46, 47, 48, 50, 51, 52, 53, 55, 56, 57, 60, 61, 62, 64, 65, 66, 67, 69, 70, 71, 74, 75, 76, 78, 79, 80, 81, 83, 84, 85, 88, 89, 90, 91, 92 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture:  a(n)/n -> 1.39..., 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" -> "1000", "10" -> "0001"}]

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

st = ToCharacterCode[w[53]] - 48   (* A288926 *)

Flatten[Position[st, 0]]  (* A288927 *)

Flatten[Position[st, 1]]  (* A288928 *)

CROSSREFS

Cf. A288926, A288928.

Sequence in context: A265641 A192140 A084092 * A342513 A086753 A160519

Adjacent sequences:  A288924 A288925 A288926 * A288928 A288929 A288930

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Jun 25 2017

STATUS

approved

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Last modified April 17 05:12 EDT 2021. Contains 343059 sequences. (Running on oeis4.)