%I
%S 2,3,11,31,349,379,14669,19001,49957,68909
%N Numbers n such that 64^n  63^n is prime.
%C Terms greater than 1000 are often only strong pseudoprimes.
%C a(11) > 10^5.  _Robert Price_, Jul 08 2013
%o (PARI) is(n)=ispseudoprime(64^n63^n) \\ _Charles R Greathouse IV_, Jun 13 2017
%Y Cf. A000043, A057468, A059801, A059802, A062572A062666.
%K nonn,hard
%O 1,1
%A _Mike Oakes_, May 18 2001, May 19 2001
%E a(7)a(10) from _Robert Price_, Jul 08 2013
