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%I #10 Nov 29 2019 12:00:02
%S 2,3,7,13,19,47,53,59,71,83,89,97,101,103,107,109,127,139,151,179,191,
%T 197,223,227,229,233,239,241,271,277,283,311,317,347,353,359,367,373,
%U 379,397,409,421,449,461,467,479,491,499,503
%N Primes p such that sin(p) > 0.
%C A070748(A049084(a(n))) = A070747(a(n)) = 1.
%o (PARI) select(p->1-p/Pi%2\1,primes(100)) \\ _Charles R Greathouse IV_, Jun 13 2013
%Y Cf. A070753, A070748, A002144 (sin((Pi/2)*p) > 0 instead of sin(p) > 0), A070752.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, May 04 2002