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A190242 a(n) = [n*u+n*v]-[n*u]-[n*v], where u=sqrt(2), v=sqrt(3), and []=floor. 3
1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

MATHEMATICA

u = 2^(1/2); v = 3^(1/2);

f[n_] := Floor[n*u + n*v] - Floor[n*u] - Floor[n*v]

t = Table[f[n], {n, 1, 120}] (*A190242*)

Flatten[Position[t, 0]]      (*A190243*)

Flatten[Position[t, 1]]      (*A190244*)

PROG

(PARI) for(n=1, 30, print1(floor(n*(sqrt(2) + sqrt(3))) - floor(n*sqrt(2)) - floor(n*sqrt(3)), ", ")) \\ G. C. Greubel, Dec 26 2017

(MAGMA) [Floor(n*(Sqrt(2) + Sqrt(3))) - Floor(n*Sqrt(2)) - Floor(n*Sqrt(3)): n in [1..30]]; // G. C. Greubel, Dec 26 2017

CROSSREFS

Cf. A190243, A190244.

Sequence in context: A140820 A275661 A266716 * A167501 A285533 A185175

Adjacent sequences:  A190239 A190240 A190241 * A190243 A190244 A190245

KEYWORD

nonn

AUTHOR

Clark Kimberling, May 06 2011

STATUS

approved

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Last modified November 21 16:04 EST 2019. Contains 329371 sequences. (Running on oeis4.)