A327253 a(n) = floor(2*n*r) - 2*floor(n*r), where r = sqrt(6).

0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0

Offset

0

Links

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

Formula

a(n) = floor(2*n*r) - 2*floor(n*r), where r = sqrt(6).

Mathematica

r = Sqrt[6]; z = 300;
t = Table[Floor[2 n r] - 2 Floor[n*r], {n, 0, z}]

Crossrefs

The positions of 0's and 1's in {a(n) : n > 0} are given by A327254 and A327255.

Sequence in context: A327211 A348327 A144607 * A051840 A174275 A353673

Adjacent sequences: A327250 A327251 A327252 * A327254 A327255 A327256

Keyword

nonn,easy

Author

Clark Kimberling, Sep 03 2019

Status

approved