OFFSET
1,2
COMMENTS
Inspired by A335670.
All terms > 3 are odd and composite. - Michel Marcus, Jun 19 2020
MATHEMATICA
Select[Range[10^4], Divisible[LucasL[3#] - 1, #] &] (* Amiram Eldar, Jun 19 2020 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Chai Wah Wu, Jun 18 2020
STATUS
approved