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3, 5, 9, 13, 16, 20, 23, 27, 29, 33, 36, 40, 42, 46, 49, 53, 57, 60, 64, 66, 70, 73, 77, 81, 84, 88, 90, 94, 97, 101, 104, 108, 110, 114, 117, 121, 125, 128, 132, 134, 138, 141, 145, 148, 152, 154, 158, 161, 165, 169, 172, 176, 178, 182, 185, 189, 191, 195
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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Conjecture: a(n)/n)) -> 3.38... , and if m denotes this number, then -1 < a(n)/n - m < 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" -> "001", "1" -> "010"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[11]] - 48 (* A285666 *)
Flatten[Position[st, 0]] (* A285667 *)
Flatten[Position[st, 1]] (* A286058 *)
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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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EXTENSIONS
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STATUS
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approved
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