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A062630 Numbers n such that 64^n - 63^n is prime. 0

%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^n-63^n) \\ _Charles R Greathouse IV_, Jun 13 2017

%Y Cf. A000043, A057468, A059801, A059802, A062572-A062666.

%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

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Last modified November 12 12:43 EST 2018. Contains 317109 sequences. (Running on oeis4.)