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A286058
Positions of 1 in A285666; complement of A285667.
3
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
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n)) -> 3.38... , and if m denotes this number, then -1 < a(n)/n - m < 1 for n >= 1.
LINKS
MATHEMATICA
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 *)
CROSSREFS
Sequence in context: A018533 A187569 A181557 * A342474 A076052 A340377
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 05 2017
EXTENSIONS
Definition corrected by Georg Fischer, Jun 04 2020
STATUS
approved