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A288634 Positions of 0 in A288633; complement of A288635. 3
1, 3, 4, 7, 9, 11, 12, 14, 15, 17, 18, 21, 23, 24, 27, 29, 30, 33, 35, 37, 38, 40, 41, 44, 46, 48, 49, 51, 52, 55, 57, 59, 60, 62, 63, 65, 66, 69, 71, 72, 75, 77, 79, 80, 82, 83, 85, 86, 89, 91, 92, 95, 97, 99, 100, 102, 103, 105, 106, 109, 111, 112, 115 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Conjecture: a(n)/n->1.83..., 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" -> "0110", "1" -> "10"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[10]] - 48 (* A288633 *)
Flatten[Position[st, 0]] (* A288634 *)
Flatten[Position[st, 1]] (* A288635 *)
CROSSREFS
Sequence in context: A115104 A095043 A019990 * A284776 A047544 A272909
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 15 2017
STATUS
approved

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Last modified July 14 00:54 EDT 2024. Contains 374290 sequences. (Running on oeis4.)