Numbers k such that 43*2^k+1 is prime.

Terms

a(0) =2a(1) =6a(2) =12a(3) =18a(4) =26a(5) =32a(6) =94a(7) =98a(8) =104a(9) =144a(10) =158a(11) =252a(12) =778a(13) =1076a(14) =2974a(15) =3022a(16) =3528a(17) =4344a(18) =5322a(19) =10416a(20) =10422a(21) =29862a(22) =33526a(23) =163354a(24) =167618a(25) =175542a(26) =217584a(27) =762212a(28) =835934a(29) =894766