A126565 a(n) = ceiling(sin(n)*cos(n)).

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

Offset

0,1

Comments

For all nonzero integers n, ceiling(sin(n)*cos(n)) = 1 + floor(sin(n)*cos(n)), so a(n) = 1 + A126564(n) for n > 0 (a(0) = A126564(0) = 0).

Links

Table of n, a(n) for n=0..104.

Formula

a(n) = ceiling(sin(n)*cos(n)).

Prog

(PARI) a(n) = ceil(sin(n)*cos(n))

Crossrefs

Cf. A126564.

Sequence in context: A353307 A286655 A272170 * A215531 A305386 A174998

Adjacent sequences: A126562 A126563 A126564 * A126566 A126567 A126568

Keyword

nonn

Author

Rick L. Shepherd, Dec 27 2006

Status

approved