OFFSET
1,1
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
MAPLE
filter:= k -> isprime(2*k^5-1):
select(filter, [$1..1000]); # Robert Israel, Oct 29 2023
PROG
(PARI) isok(k) = isprime(2*k^5 - 1); \\ Michel Marcus, Jul 22 2021
CROSSREFS
KEYWORD
nonn
AUTHOR
R. J. Mathar, Aug 20 2019
STATUS
approved