OFFSET
1
COMMENTS
See A188014.
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = [n*r] - [n*r-3*r] - [3*r], where r=1/sqrt(2).
a(n) = 1 iff the fractional part of n*r is less than that of k*r. - Charlie Neder, Dec 28 2018
MATHEMATICA
PROG
(PARI) for(n=1, 100, print1(floor(n/sqrt(2)) - floor((n-3)/sqrt(2)) - floor(3/sqrt(2)), ", ")) \\ G. C. Greubel, Apr 13 2018
(Magma) [Floor(n/Sqrt(2)) - Floor((n-3)/Sqrt(2)) - Floor(3/Sqrt(2)): n in [1..100]]; // G. C. Greubel, Apr 13 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Mar 27 2011
STATUS
approved