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A287448
Positions of 1 in A287382; complement of A287440.
3
3, 4, 10, 12, 15, 16, 22, 23, 27, 33, 37, 40, 42, 45, 46, 52, 53, 59, 61, 64, 65, 69, 73, 76, 77, 83, 84, 88, 92, 95, 96, 100, 106, 107, 113, 117, 120, 122, 125, 126, 132, 133, 139, 141, 144, 145, 151, 152, 156, 162, 166, 169, 171, 174, 175, 179, 183, 186
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n -> 3.19..., and if m denotes this number, then -1 < m - a(n)/n) < 2 for n >= 1.
LINKS
MATHEMATICA
s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n - 1], {"00" -> "1000", "10" -> "001"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[23]] - 48 (* A287382 *)
Flatten[Position[st, 0]] (* A287440 *)
Flatten[Position[st, 1]] (* A287448 *)
CROSSREFS
Sequence in context: A370860 A243681 A242881 * A325235 A135116 A362743
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 18 2017
STATUS
approved