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A284774 Positions of 1 in A284772; complement of A284773. 3
2, 5, 8, 10, 13, 16, 18, 21, 24, 27, 30, 32, 35, 38, 40, 43, 46, 49, 52, 54, 57, 60, 62, 65, 68, 70, 73, 76, 78, 81, 84, 87, 90, 92, 95, 98, 100, 103, 106, 109, 112, 114, 117, 120, 122, 125, 128, 130, 133, 136, 138, 141, 144, 147, 150, 152, 155, 158, 160 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Conjecture: -1 < n*r - a(n) < 2 for n >= 1, where r = 1 + sqrt(3).
LINKS
EXAMPLE
As a word, A284772 = 010010..., in which 1 is in positions 2,5,...
MATHEMATICA
s = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {0, 0, 1, 0}}] &, {0}, 6] (* A284772 *)
Flatten[Position[s, 0]] (* A284773 *)
Flatten[Position[s, 1]] (* A284774 *)
CROSSREFS
Sequence in context: A182769 A126281 A117630 * A309095 A022843 A054088
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Apr 14 2017
STATUS
approved

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Last modified June 14 23:20 EDT 2024. Contains 373401 sequences. (Running on oeis4.)