Numbers k such that 3^k + 16 is prime.

Terms

a(0) =0a(1) =1a(2) =3a(3) =4a(4) =7a(5) =8a(6) =9a(7) =12a(8) =13a(9) =15a(10) =27a(11) =31a(12) =49a(13) =57a(14) =60a(15) =75a(16) =139a(17) =147a(18) =283a(19) =327a(20) =488a(21) =604a(22) =700a(23) =825a(24) =908a(25) =1051a(26) =1064a(27) =1215a(28) =5319a(29) =9669