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A285979 Positions of 0 in A285978; complement of A285980. 3
1, 4, 11, 14, 18, 24, 31, 37, 41, 44, 51, 54, 58, 64, 68, 71, 78, 84, 91, 94, 98, 104, 111, 117, 121, 124, 131, 137, 144, 147, 151, 157, 161, 164, 171, 174, 178, 184, 191, 197, 201, 204, 211, 214, 218, 224, 228, 231, 238, 244, 251, 254, 258, 264, 268, 271 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Conjecture: a(n)/n -> 5.
LINKS
EXAMPLE
As a word, A285978 = 0110111111011011101111101..., in which 0 is in positions 1,4,11,14,18,...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 0}}] &, {0}, 9] (* Thue-Morse, A010060 *)
w = StringJoin[Map[ToString, s]]
w1 = StringReplace[w, {"00" -> "1"}]
st = ToCharacterCode[w1] - 48 (* A285978 *)
Flatten[Position[st, 0]] (* A285979 *)
Flatten[Position[st, 1]] (* A285980 *)
CROSSREFS
Sequence in context: A205846 A204542 A247521 * A299975 A271508 A284323
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, May 06 2017
STATUS
approved

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Last modified March 28 05:02 EDT 2024. Contains 371235 sequences. (Running on oeis4.)