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A327174
a(n) = [(2*n+1)*r] - [(n+1)*r] - [n*r], where [ ] = floor and r = (1+sqrt(5))/2.
4
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
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
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Aug 25 2019
STATUS
approved