OFFSET
1,2
COMMENTS
Some of the larger entries may only correspond to probable primes.
a(8) > 6000. - Tyler NeSmith, May 09 2021
a(8) > 10^5. - Michael S. Branicky, Sep 27 2024
PROG
(PARI) is(n)=ispseudoprime((10^n-1)/9+n) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Jason Earls, Jul 25 2005
STATUS
approved