Numbers n such that 93*2^n-1 is prime.

Terms

a(0) =3a(1) =4a(2) =7a(3) =10a(4) =15a(5) =18a(6) =19a(7) =24a(8) =27a(9) =39a(10) =60a(11) =84a(12) =111a(13) =171a(14) =192a(15) =222a(16) =639a(17) =954a(18) =2400a(19) =2587a(20) =4012a(21) =4359a(22) =5250a(23) =6012a(24) =6183a(25) =7344a(26) =10603a(27) =12403a(28) =13215a(29) =29154