OFFSET
1,1
COMMENTS
Terms greater than 1000 are often only strong pseudoprimes.
a(7) > 20000. - Derek Orr, Sep 09 2014
PROG
(PARI) is(n)=ispseudoprime(94^n-93^n) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Mike Oakes, May 18 2001, May 19 2001
EXTENSIONS
a(5) and a(6) from Derek Orr, Sep 09 2014
STATUS
approved