OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..10
MATHEMATICA
Select[Table[(3^(2 n) - 2^3), {n, 1, 200}], PrimeQ] (* Vincenzo Librandi, Jan 03 2014 *)
PROG
(Magma) [a: n in [1..200] | IsPrime(a) where a is(3^(2*n)-2^3)];
CROSSREFS
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Nov 15 2010
STATUS
approved