OFFSET
1,3
COMMENTS
No more terms up to k = 7200.
No more terms up to k = 27200. - Michael S. Branicky, Jun 30 2024
MATHEMATICA
Select[Range[0, 320], PrimeQ[1+9 10^#+100^#]&] (* Harvey P. Dale, Nov 23 2023 *)
PROG
(PARI) is(n)=ispseudoprime(1+9*10^n+100^n) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Jason Earls, Dec 11 2009
STATUS
approved