Numbers k such that 239*2^k+1 is prime.

Terms

a(0) =1a(1) =3a(2) =5a(3) =7a(4) =17a(5) =29a(6) =31a(7) =89a(8) =135a(9) =229a(10) =257a(11) =305a(12) =493a(13) =781a(14) =811a(15) =1177a(16) =1315a(17) =1709a(18) =2267a(19) =5283a(20) =6109a(21) =7763a(22) =7923a(23) =16481a(24) =18457a(25) =29187a(26) =39487a(27) =53393a(28) =59905a(29) =76267