Numbers n such that 7*3^n - 2 is prime.

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =6a(5) =7a(6) =11a(7) =14a(8) =15a(9) =17a(10) =27a(11) =30a(12) =41a(13) =150a(14) =186a(15) =359a(16) =665a(17) =690a(18) =1029a(19) =1150a(20) =1575a(21) =1879a(22) =2010a(23) =2439a(24) =3197a(25) =3625a(26) =4107a(27) =4635a(28) =6417a(29) =7791