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A285432 Positions of 0 in A286939; complement of A285564. 3
1, 2, 4, 5, 6, 7, 8, 10, 11, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 26, 27, 29, 30, 32, 33, 34, 35, 36, 38, 39, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 61, 63, 64, 65, 66, 67, 68, 70, 71, 72, 73, 74, 76, 77, 79, 80, 82, 83 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Conjecture : lim a(n)/n)) = 1.25... , 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" -> "000"}]
Table[w[n], {n, 0, 8}]
st = ToCharacterCode[w[11]] - 48 (* A286939 *)
Flatten[Position[st, 0]] (* A285432 *)
Flatten[Position[st, 1]] (* A285564 *)
Table[StringLength[w[n]], {n, 1, 35}] (* A285665 conjectured *)
CROSSREFS
Sequence in context: A193928 A146215 A086743 * A039079 A260375 A361144
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 04 2017
STATUS
approved

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Last modified July 20 11:48 EDT 2024. Contains 374445 sequences. (Running on oeis4.)