A176495 Primes of the form 3^(3*k)+2.

3, 29, 14348909, 282429536483, 150094635296999123, 1144561273430837494885949696429, 48519278097689642681155855396759336072749841943521979872829, 1310020508637620352391208095712502073964245732475093456566331

Offset: 1

Author

Vincenzo Librandi, Apr 19 2010

Keywords

• nonn

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..13

Crossrefs

Cf, A138051 (values of k).

Programs

Magma

[a: n in [0..50] | IsPrime(a) where a is 3^(3*n)+2 ]; // Vincenzo Librandi, Jul 26 2012

Mathematica

 Select[Table[3^(3n)+2,{n,0,300}],PrimeQ] (* Vincenzo Librandi, Jul 26 2012 *)

Extensions

Definition corrected by T. D. Noe, Jun 16 2010

Entries checked by N. J. A. Sloane, Jun 16 2010