OFFSET
1,1
COMMENTS
The following terms are too large to be displayed here, but the exponents n can be found in sequence A168170. [M. F. Hasler, Nov 25 2009]
FORMULA
a(n) = 3^A168170(n) + 3^4 + 1. [M. F. Hasler, Nov 25 2009]
MATHEMATICA
Select[3^Range[150]+82, PrimeQ] (* Harvey P. Dale, Dec 18 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Roger L. Bagula, Mar 01 2005
EXTENSIONS
Edited by M. F. Hasler, Nov 25 2009
STATUS
approved