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A287127

Positions of 1 in A287125; complement of A287126.

3, 4, 5, 7, 8, 10, 11, 14, 15, 17, 18, 21, 22, 24, 25, 29, 30, 31, 33, 34, 37, 38, 40, 41, 45, 46, 47, 49, 50, 53, 54, 56, 57, 61, 63, 64, 66, 67, 69, 70, 73, 74, 76, 77, 81, 82, 83, 85, 86, 89, 90, 92, 93, 97, 99, 100, 102, 103, 105, 106, 109, 110, 112, 113

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Conjecture: a(n)/n-> 1.81..., and if m denotes this number, then -2 < 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" -> "001", "1" -> "110"}]

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

st = ToCharacterCode[w[11]] - 48 (* A287125 *)