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A285980
Positions of 1 in A285978; complement of A285979.
3
2, 3, 5, 6, 7, 8, 9, 10, 12, 13, 15, 16, 17, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 43, 45, 46, 47, 48, 49, 50, 52, 53, 55, 56, 57, 59, 60, 61, 62, 63, 65, 66, 67, 69, 70, 72, 73, 74, 75, 76, 77, 79, 80, 81, 82, 83
OFFSET
1,1
COMMENTS
Conjecture: a(n)/n -> 5/4.
LINKS
EXAMPLE
As a word, A285978 = 0110111111011011101111101..., in which 1 is in positions 2,3,5,6,7,8,...
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
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, May 07 2017
STATUS
approved