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A327208 a(n) = [(2n+2)r] - [(n+2)r] - [nr], where [ ] = floor and r = sqrt(3). 3
0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET
0
LINKS
FORMULA
a(n) = [(2n+2)r] - [(n+2)r] - [nr], where [ ] = floor and r = sqrt(3).
MATHEMATICA
r = Sqrt[3]; z = 200;
t = Table[Floor[(2 n + 2)*r] - Floor[n*r + 2 r] - Floor[n*r], {n, 0, z}]
CROSSREFS
The positions of 0's and 1's in {a(n) : n > 0} are given by A327209 and A327210.
Sequence in context: A353673 A144599 A144608 * A178226 A288622 A095907
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Aug 26 2019
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)