Numbers k such that 3^k - 32 is prime.

Terms

a(0) =5a(1) =8a(2) =18a(3) =21a(4) =69a(5) =84a(6) =181a(7) =216a(8) =461a(9) =642a(10) =672a(11) =2413a(12) =3681a(13) =5666a(14) =12281a(15) =14949a(16) =19508a(17) =27817a(18) =34061a(19) =43236a(20) =43733a(21) =81828