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A285134
Positions of 0 in A285133; complement of A285135.
3
1, 2, 3, 6, 7, 8, 9, 12, 13, 14, 15, 18, 20, 22, 24, 25, 26, 27, 30, 32, 34, 35, 36, 37, 39, 40, 41, 44, 45, 46, 47, 50, 51, 52, 53, 56, 57, 58, 59, 62, 64, 66, 68, 69, 70, 71, 74, 76, 78, 79, 80, 81, 83, 84, 85, 88, 89, 90, 91, 94, 95, 96, 97, 100, 101, 102
OFFSET
1,2
COMMENTS
Conjecture: -1 < n*r - a(n) < 1 for n>=1, where r = 1 + sqrt(1/3).
LINKS
EXAMPLE
As a word, A285133 = 000110..., in which 0 is in positions 1,2,3,6,7,...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {0, 0, 0, 1}}] &, {0}, 12]; (* A285133 *)
Flatten[Position[s, 0]]; (* A285134 *)
Flatten[Position[s, 1]]; (* A285135 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 20 2017
STATUS
approved