The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #11 Nov 12 2023 16:38:03
%S 47,2153,177113,1594289,68630377364849,1853020188851807,
%T 150094635296999087,984770902183611232847,
%U 49269609804781974438694403402127765833,809164816771822689786320611221860560835816670552324143733808294394923420529
%N Primes of the form 3^k - 34.
%H Robert Price, <a href="/A289984/b289984.txt">Table of n, a(n) for n = 1..12</a>
%H F. Firoozbakht and M. F. Hasler, <a href="https://cs.uwaterloo.ca/journals/JIS/VOL13/Hasler/hasler2.html">Variations on Euclid's formula for Perfect Numbers</a>, JIS 13 (2010) #10.3.1.
%H Henri and Renaud Lifchitz, <a href="http://www.primenumbers.net/prptop">PRP Records</a>
%H OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>
%F a(n) = 3^A219051(n) - 34. - _Elmo R. Oliveira_, Nov 12 2023
%t Select[Table[3^k - 34], {k, 4, 100}], PrimeQ[#] &]
%Y Cf. A000040, A219051 (corresponding k's).
%K nonn
%O 1,1
%A _Robert Price_, Sep 02 2017