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A327222 a(n) = [(2n+4)r] - [nr+4r] - [nr], where [ ] = floor and r = sqrt(2). 3
0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0

LINKS

Clark Kimberling, Table of n, a(n) for n = 0..10000

MATHEMATICA

r = Sqrt[2]; z = 300;

t = Table[Floor[(2 n + 4) r] - Floor[(n*r + 4 r)] - Floor[n*r], {n, 0, z}]

CROSSREFS

The positions of 0's and 1's in {a(n) : n > 0} are given by A327223 and A327224.

Sequence in context: A091225 A175337 A285031 * A286063 A278587 A188257

Adjacent sequences:  A327219 A327220 A327221 * A327223 A327224 A327225

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Sep 02 2019

STATUS

approved

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Last modified September 29 20:22 EDT 2020. Contains 337432 sequences. (Running on oeis4.)