Numbers k such that 307*2^k+1 is prime.

Terms

a(0) =2a(1) =8a(2) =16a(3) =26a(4) =34a(5) =112a(6) =182a(7) =226a(8) =304a(9) =782a(10) =6886a(11) =36422a(12) =647786a(13) =1289306a(14) =2862962