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A289176
Positions of 1 in A289174; complement of A289175.
3
3, 6, 7, 8, 11, 13, 14, 15, 18, 21, 23, 24, 25, 30, 33, 34, 35, 36, 38, 39, 42, 44, 49, 51, 52, 53, 55, 56, 57, 59, 60, 61, 64, 69, 73, 76, 77, 78, 79, 81, 82, 83, 84, 86, 87, 88, 89, 91, 92, 93, 98, 102, 105, 106, 109, 112, 113, 114, 117, 118, 120, 121, 122
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n -> 1.8..., and if m denotes this number, then -2 < m - a(n)/n < 1 for n >= 1.
LINKS
MATHEMATICA
z = 11; (* number of iterates *)
s = {0, 0}; w[0] = StringJoin[Map[ToString, s]];
w[n_] := StringReplace[w[n - 1], {"00" -> "0010", "01" -> "100", "10" -> "011"}]
TableForm[Table[w[n], {n, 0, 10}]]
st = ToCharacterCode[w[z]] - 48 (* A289174 *)
Flatten[Position[st, 0]] (* A289175 *)
Flatten[Position[st, 1]] (* A289176 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 29 2017
STATUS
approved