A327174 a(n) = [(2*n+1)*r] - [(n+1)*r] - [n*r], where [ ] = floor and r = (1+sqrt(5))/2.

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

Offset

0

Links

Clark Kimberling, Table of n, a(n) for n = 0..34999

Formula

a(n) = [(2*n+1)*r] - [(n+1)*r] - [n*r], where [ ] = floor and r = (1+sqrt(5))/2.

Mathematica

r = (1 + Sqrt[5])/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 A327175 and A327176.

Sequence in context: A021913 A285501 A288551 * A269723 A284487 A156660

Adjacent sequences: A327171 A327172 A327173 * A327175 A327176 A327177

Keyword

nonn,easy

Author

Clark Kimberling, Aug 25 2019

Status

approved