

A062646


Numbers n such that 80^n  79^n is prime.


0




OFFSET

1,1


COMMENTS

Terms > 1000 are often only strong pseudoprimes.
a(4) > 10^5.  Robert Price, Dec 12 2014


LINKS

Table of n, a(n) for n=1..3.


PROG

(PARI) is(n)=ispseudoprime(80^n79^n) \\ Charles R Greathouse IV, Jun 13 2017


CROSSREFS

Cf. A000043, A057468, A059801, A059802, A062572A062666.
Sequence in context: A222942 A289634 A065581 * A009503 A209889 A176072
Adjacent sequences: A062643 A062644 A062645 * A062647 A062648 A062649


KEYWORD

nonn,hard,bref


AUTHOR

Mike Oakes, May 18 2001, May 19 2001


STATUS

approved



