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1, 3, 4, 6, 9, 10, 12, 14, 15, 17, 20, 21, 23, 24, 26, 29, 30, 32, 34, 35, 37, 40, 41, 43, 46, 47, 49, 51, 52, 54, 57, 58, 60, 61, 63, 66, 67, 69, 71, 72, 74, 77, 78, 80, 82, 83, 85, 88, 89, 91, 92, 94, 97, 98, 100, 102, 103, 105, 108, 109, 111, 114, 115
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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Conjecture: a(n)/n->1.83..., and if m denotes this number, then -1 < m - a(n)/n < 1 for n >= 1.
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LINKS
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MATHEMATICA
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s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n - 1], {"00" -> "0101", "1" -> "10"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[11]] - 48 (* A288462 *)
Flatten[Position[st, 0]] (* A288463 *)
Flatten[Position[st, 1]] (* A288464 *)
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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