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1, 2, 4, 6, 7, 9, 10, 11, 14, 15, 17, 18, 22, 23, 24, 27, 28, 30, 34, 35, 36, 37, 39, 42, 43, 44, 47, 52, 53, 54, 55, 57, 58, 61, 65, 66, 67, 68, 70, 73, 74, 79, 80, 81, 82, 84, 85, 88, 89, 91, 94, 95, 99, 100, 101, 102, 104, 105, 108, 112, 113, 114, 120
(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 -> 1.94..., and if m denotes this number, then -1 < m - a(n)/n < -1 + m for n >= 1.
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LINKS
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MATHEMATICA
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z = 11; (* number of iterates *)
s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n - 1], {"00" -> "0010", "01" -> "011", "10" -> "100"}]
TableForm[Table[w[n], {n, 0, 10}]]
st = ToCharacterCode[w[z]] - 48 (* A289074 *)
Flatten[Position[st, 0]] (* A289075 *)
Flatten[Position[st, 1]] (* A289076 *)
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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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