Numbers n such that 237*2^n-1 is prime.

Terms

a(0) =2a(1) =5a(2) =9a(3) =13a(4) =17a(5) =18a(6) =25a(7) =26a(8) =30a(9) =38a(10) =69a(11) =88a(12) =89a(13) =94a(14) =133a(15) =198a(16) =205a(17) =289a(18) =360a(19) =402a(20) =438a(21) =445a(22) =498a(23) =637a(24) =914a(25) =934a(26) =973a(27) =1265a(28) =2965a(29) =3813