OFFSET
1,2
COMMENTS
a(14) > 15000. - Jinyuan Wang, Mar 05 2020
MATHEMATICA
Do[If[PrimeQ[(12^n+5)], Print[n]], {n, 2000}]
PROG
(PARI) is(n)=ispseudoprime(12^n+5) \\ Charles R Greathouse IV, Jun 06 2017
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Zak Seidov, Feb 01 2008
EXTENSIONS
a(13) from Jinyuan Wang, Mar 05 2020
a(14) from Michael S. Branicky, Jul 07 2024
STATUS
approved