Numbers k such that 189*2^k+1 is prime.

Terms

a(0) =1a(1) =2a(2) =6a(3) =9a(4) =17a(5) =39a(6) =45a(7) =95a(8) =359a(9) =526a(10) =609a(11) =783a(12) =818a(13) =917a(14) =1445a(15) =1590a(16) =1606a(17) =1861a(18) =2037a(19) =3538a(20) =3730a(21) =6186a(22) =7482a(23) =11801a(24) =12162a(25) =23838a(26) =25785a(27) =27565a(28) =30666a(29) =37033