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A287723 Positions of 0 in A287722; complement of A287724. 4
2, 4, 7, 9, 11, 13, 16, 18, 21, 23, 25, 27, 30, 32, 34, 36, 39, 41, 44, 46, 48, 50, 53, 55, 58, 60, 62, 64, 67, 69, 71, 73, 76, 78, 81, 83, 85, 87, 90, 92, 94, 96, 99, 101, 104, 106, 108, 110, 113, 115, 118, 120, 122, 124, 127, 129, 131, 133, 136, 138, 141 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Conjecture: -1 < n*r - a(n) < 1 for n >= 1, where r = (7 + sqrt(5))/4.
LINKS
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0}}] &, {0}, 10] (* A003849 *)
w = StringJoin[Map[ToString, s]]
w1 = StringReplace[w, {"0" -> "1", "1" -> "011"}]
st = ToCharacterCode[w1] - 48 (* A287722 *)
Flatten[Position[st, 0]] (* A287723 *)
Flatten[Position[st, 1]] (* A287724 *)
CROSSREFS
Sequence in context: A029924 A125883 A022848 * A284589 A020904 A043000
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jun 02 2017
STATUS
approved

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Last modified April 19 02:10 EDT 2024. Contains 371782 sequences. (Running on oeis4.)