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A288526
Positions of 1 in A288524; complement of A288525.
3
2, 4, 6, 10, 14, 18, 21, 24, 28, 31, 34, 38, 41, 44, 47, 49, 51, 54, 56, 58, 62, 65, 68, 71, 73, 75, 78, 80, 82, 86, 89, 92, 95, 97, 99, 102, 104, 106, 109, 111, 113, 117, 121, 124, 126, 128, 132, 136, 140, 143, 146, 149, 151, 153, 156, 158, 160, 163, 165
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n - > 2.91..., and if m denotes this number, then -1 < m - a(n)/n) < 1 for n >= 1.
LINKS
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
Sequence in context: A191113 A345211 A125964 * A139544 A356959 A062091
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 14 2017
STATUS
approved