A327177 a(n) = [(2n+1)r] - [(n+1)r] - [nr], where [ ] = floor and r = sqrt(2).

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

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 * A366255 A057212 A023959

Adjacent sequences: A327174 A327175 A327176 * A327178 A327179 A327180

Keyword

nonn,easy

Author

Clark Kimberling, Aug 25 2019

Status

approved