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URL: https://oeis.org/A181059

⇱ A181059 - OEIS

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A181059
a(n) = floor(sin(n) - cos(n)).
1
-1, 0, 1, 1, -1, -2, -2, -1, 1, 1, 0, -2, -2, -1, 0, 1, 0, -1, -2, -1, 0, 1, 0, -1, -2, -2, 0, 1, 1, 0, -2, -2, -1, 1, 1, 0, -1, -2, -1, 0, 1, 0, -1, -2, -1, 0, 1, 1, -1, -2, -2, -1, 1, 1, 0, -2, -2, -1, 0, 1, 0, -1, -2, -1, 0, 1, 0, -1, -2, -2, 0, 1, 1, 0, -2, -2, -1, 1, 1, 0, -1, -2, -1, 0
OFFSET
0,6
LINKS
FORMULA
a(n) = floor( -sqrt(2)*cos(n + Pi/4) ). - R. J. Mathar, Oct 03 2010
MAPLE
A181059 := proc(n) -sqrt(2)*cos(n+Pi/4) ; floor(%) ; end proc: seq(A181059(n), n=0..120) ; # R. J. Mathar, Oct 03 2010
MATHEMATICA
Table[Floor[Sin[n]-Cos[n]], {n, 0, 120}] (* Harvey P. Dale, Jun 01 2018 *)
PROG
(Magma) [Floor(Sin(n) - Cos(n)): n in [0..120]]; // G. C. Greubel, Apr 05 2021
(SageMath) [floor(-sqrt(2)*cos(n+pi/4)) for n in (0..120)] # G. C. Greubel, Apr 05 2021
CROSSREFS
Cf. A126564 (floor sin(n)*cos(n)).
Sequence in context: A234514 A343453 A051031 * A111915 A066520 A088526
KEYWORD
sign,easy
AUTHOR
EXTENSIONS
More terms from R. J. Mathar, Oct 03 2010
STATUS
approved