OFFSET
1,1
COMMENTS
No more terms <= 7000. - Jon E. Schoenfield, Mar 16 2018
No more terms <= 30000. - Michael S. Branicky, Sep 02 2024
PROG
(PARI) isok(k) = ispseudoprime(k^k + 9); \\ Altug Alkan, Mar 16 2018
CROSSREFS
KEYWORD
nonn,hard,more,bref
AUTHOR
Seiichi Manyama, Mar 16 2018
STATUS
approved