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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.)