Numbers k such that 341*2^k+1 is prime.

Terms

a(0) =1a(1) =3a(2) =7a(3) =19a(4) =21a(5) =33a(6) =43a(7) =99a(8) =183a(9) =235a(10) =499a(11) =579a(12) =1137a(13) =1225a(14) =1941a(15) =1987a(16) =2409a(17) =3285a(18) =9093a(19) =9121a(20) =11043a(21) =14997a(22) =17919a(23) =31543a(24) =57163a(25) =83595a(26) =127915a(27) =129199a(28) =220651a(29) =384961