

A062598


Numbers n such that 32^n  31^n is prime.


0




OFFSET

1,1


COMMENTS

Terms > 1000 often correspond only to strong pseudoprimes.
a(5) > 10^5.  Robert Price, Oct 03 2012


LINKS

Table of n, a(n) for n=1..4.


PROG

(PARI) is(n)=ispseudoprime(32^n31^n) \\ Charles R Greathouse IV, Jun 13 2017


CROSSREFS

Cf. A000043, A057468, A059801, A059802, A062572A062666.
Sequence in context: A096725 A332536 A172920 * A203690 A304425 A316280
Adjacent sequences: A062595 A062596 A062597 * A062599 A062600 A062601


KEYWORD

nonn,hard


AUTHOR

Mike Oakes, May 18 2001, May 19 2001


EXTENSIONS

a(4) from Robert Price, Oct 03 2012


STATUS

approved



