OFFSET
1,1
COMMENTS
The terms greater than or equal to 800 correspond to probable primes.
a(5) > 4000. - Tyler NeSmith, May 13 2021
a(5) > 20000. - Michael S. Branicky, Sep 02 2024
PROG
(PARI) isok(k) = ispseudoprime(8*k^k - 7); \\ Altug Alkan, Apr 02 2018
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Seiichi Manyama, Apr 02 2018
STATUS
approved