login
A283967
Positions of 0 in A283966; complement of A284015.
3
2, 4, 8, 10, 14, 16, 19, 21, 24, 26, 30, 32, 36, 38, 41, 43, 46, 48, 52, 54, 58, 60, 63, 65, 69, 71, 75, 77, 80, 82, 86, 88, 92, 94, 97, 99, 102, 104, 108, 110, 114, 116, 119, 121, 124, 126, 130, 132, 136, 138, 141, 143, 147, 149, 153, 155, 158, 160, 164
OFFSET
1,1
COMMENTS
Conjecture: -1 < n*r - a(n) < 3 for n >= 1, where r = (7+sqrt(17))/4.
LINKS
EXAMPLE
The first 5 letters of the word in A282966 are 10101, in which the positions of 0 are 2,4.
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {1}, 1 -> {1, 0, 1, 0, 1}}] &, {0}, 8] (* A283966 *)
Flatten[Position[s, 0]] (* A283967 *)
Flatten[Position[s, 1]] (* A284015 *)
CROSSREFS
Sequence in context: A189792 A286909 A356139 * A232745 A353531 A342050
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Mar 26 2017
STATUS
approved