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A288474
Positions of 0 in A288473; complement of A288475.
3
1, 3, 5, 8, 11, 13, 15, 18, 21, 23, 25, 28, 31, 32, 35, 38, 40, 42, 45, 48, 49, 52, 55, 57, 59, 62, 65, 67, 69, 72, 75, 77, 79, 82, 85, 86, 89, 92, 94, 96, 99, 102, 103, 106, 109, 111, 113, 116, 119, 121, 123, 126, 129, 131, 133, 136, 139, 140, 143, 146, 148
OFFSET
1,2
COMMENTS
Conjecture: a(n)/n - >2.34..., and if m denotes this number, then -1 < m - a(n)/n < 2 for n >= 1.
LINKS
MATHEMATICA
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 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 11 2017
STATUS
approved