OFFSET
1,1
COMMENTS
All terms == 2 (mod 3). - Robert Israel, Aug 22 2019
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
MAPLE
select(t -> isprime(t) and isprime(2*t^3+1), [2, seq(i, i=5..10000, 6)]); # Robert Israel, Aug 22 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
R. J. Mathar, Aug 20 2019
STATUS
approved