OFFSET
1,1
COMMENTS
Associated k: 0, 2, 4, 6, 14, 24, 35, 79, 178, 186, 230, ...
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..18
FORMULA
a(n) = 3^A219042(n) + 22. - Elmo R. Oliveira, Nov 12 2023
MATHEMATICA
Select[Table[3^n + 22, {n, 0, 500}], PrimeQ]
PROG
(Magma) [a: n in [0..200] | IsPrime(a) where a is 3^n+22];
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Jun 05 2014
STATUS
approved