A070754 Primes p such that sin(p) > 0.

2, 3, 7, 13, 19, 47, 53, 59, 71, 83, 89, 97, 101, 103, 107, 109, 127, 139, 151, 179, 191, 197, 223, 227, 229, 233, 239, 241, 271, 277, 283, 311, 317, 347, 353, 359, 367, 373, 379, 397, 409, 421, 449, 461, 467, 479, 491, 499, 503

Offset: 1

Author

Reinhard Zumkeller, May 04 2002

Keywords

• nonn

Comments

A070748(A049084(a(n))) = A070747(a(n)) = 1.

Crossrefs

Cf. A070753, A070748, A002144 (sin((Pi/2)*p) > 0 instead of sin(p) > 0), A070752.

Programs

PARI

select(p->1-p/Pi%2\1,primes(100)) \\ Charles R Greathouse IV, Jun 13 2013