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2, 4, 6, 7, 9, 10, 12, 14, 16, 17, 19, 20, 22, 24, 26, 27, 29, 30, 33, 34, 36, 37, 39, 41, 43, 44, 46, 47, 50, 51, 53, 54, 56, 58, 60, 61, 63, 64, 66, 68, 70, 71, 73, 74, 76, 78, 80, 81, 83, 84, 87, 88, 90, 91, 93, 95, 97, 98, 100, 101, 104, 105, 107, 108
(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 -> 1.74..., 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" -> "011"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[11]] - 48 (* A288473 *)
Flatten[Position[st, 0]] (* A288474 *)
Flatten[Position[st, 1]] (* A288475 *)
Table[StringLength[w[n]], {n, 1, 35}] (* A288476 conjectured *)
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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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