Numbers k such that 357*2^k+1 is prime.

Terms

a(0) =2a(1) =3a(2) =7a(3) =8a(4) =10a(5) =14a(6) =18a(7) =23a(8) =26a(9) =27a(10) =35a(11) =44a(12) =46a(13) =50a(14) =55a(15) =56a(16) =59a(17) =67a(18) =80a(19) =115a(20) =138a(21) =248a(22) =280a(23) =319a(24) =372a(25) =416a(26) =454a(27) =624a(28) =662a(29) =686