Numbers k such that 339*2^k+1 is prime.

Terms

a(0) =3a(1) =11a(2) =17a(3) =21a(4) =26a(5) =50a(6) =62a(7) =125a(8) =165a(9) =278a(10) =290a(11) =1227a(12) =1275a(13) =1325a(14) =2153a(15) =2450a(16) =2811a(17) =3327a(18) =5921a(19) =6321a(20) =7095a(21) =8657a(22) =8786a(23) =9687a(24) =12221a(25) =14163a(26) =30686a(27) =63975a(28) =73767a(29) =132551