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%I #11 Jan 13 2023 04:02:08
%S 109,163,811,2269,31381059691,22876792455043,4052555153018976349,
%T 7395104114874202511988394360121831439224179537192802989,
%U 507528786056415600719754159741696356908742250191663887263627442114963
%N Primes of the form 3^n + 3^4 + 1.
%C 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]
%F a(n) = 3^A168170(n) + 3^4 + 1. [_M. F. Hasler_, Nov 25 2009]
%t Select[3^Range[150]+82,PrimeQ] (* _Harvey P. Dale_, Dec 18 2011 *)
%K nonn
%O 1,1
%A _Roger L. Bagula_, Mar 01 2005
%E Edited by _M. F. Hasler_, Nov 25 2009
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