A327205 - OEIS

A327205

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

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

(list; graph; refs; listen; history; text; internal format)

OFFSET

LINKS

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

FORMULA

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

MATHEMATICA

r = Sqrt[2]; z = 200;

t = Table[Floor[(2 n + 2)*r] - Floor[n*r + 2 r] - Floor[n*r], {n, 0, z}]

CROSSREFS

The positions of 0's and 1's in {a(n) : n > 0} are given by A327206 and A327207.

Sequence in context: A144598 A144606 A060510 * A219071 A072629 A164292

Adjacent sequences: A327202 A327203 A327204 * A327206 A327207 A327208

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Aug 26 2019

STATUS

approved