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A285084
Positions of 0 in A285083; complement of A285085.
5
2, 3, 6, 9, 13, 14, 18, 20, 21, 24, 28, 29, 32, 35, 39, 41, 42, 45, 49, 50, 53, 56, 60, 62, 63, 66, 70, 71, 74, 78, 79, 82, 85, 89, 90, 94, 96, 97, 100, 104, 105, 108, 112, 113, 116, 119, 123, 125, 126, 129, 132, 136, 137, 141, 143, 144, 147, 151, 152, 155
OFFSET
1,1
COMMENTS
Conjecture: 0 < n*r - a(n) < r for n>=1, where r = (3+sqrt(5))/2.
LINKS
EXAMPLE
As a word, A285083 = 1001101101110..., in which 0 is in positions 2,3,6,9,13,...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {0, 1, 1}}] &, {0}, 13]; (* A285083 *)
Flatten[Position[s, 0]]; (* A285084 *)
Flatten[Position[s, 1]]; (* A285085 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 19 2017
STATUS
approved