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 A327177 a(n) = [(2n+1)r] - [(n+1)r] - [nr], where [ ] = floor and r = sqrt(2). 4
 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0 LINKS Clark Kimberling, Table of n, a(n) for n = 0..10000 FORMULA a(n) = [(2n+1)r] - [(n+1)r] - [nr], where [ ] = floor and r = sqrt(2). MATHEMATICA r = Sqrt[2]; z = 200; t = Table[Floor[(2 n + 1)*r] - Floor[n*r + r] - Floor[n*r], {n, 0, z}] CROSSREFS The positions of 0's and 1's in {a(n) : n > 0} are given by A327178 and A327179. Sequence in context: A288694 A292077 A327256 * A057212 A023959 A341334 Adjacent sequences: A327174 A327175 A327176 * A327178 A327179 A327180 KEYWORD nonn,easy AUTHOR Clark Kimberling, Aug 25 2019 STATUS approved

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Last modified March 27 18:55 EDT 2023. Contains 361575 sequences. (Running on oeis4.)