OFFSET
1,1
COMMENTS
The next term is too large to include.
The next term (a(5)) has 703 digits. - Harvey P. Dale, Sep 04 2018
MATHEMATICA
Select[Table[3*k^k+1, {k, 500}], PrimeQ] (* Harvey P. Dale, Sep 04 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Mar 25 2018
STATUS
approved