Numbers k such that 3*5^k - 2 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =31a(5) =34a(6) =82a(7) =116a(8) =120a(9) =398a(10) =450a(11) =566a(12) =1216a(13) =1478a(14) =1776a(15) =2379a(16) =2816a(17) =3492a(18) =3644a(19) =7348a(20) =8374a(21) =8406a(22) =9931a(23) =13311a(24) =15358a(25) =16120a(26) =40030a(27) =42230a(28) =43686a(29) =48787