Numbers k such that 117*2^k+1 is prime.

Terms

a(0) =3a(1) =4a(2) =6a(3) =10a(4) =16a(5) =30a(6) =36a(7) =91a(8) =94a(9) =156a(10) =382a(11) =454a(12) =643a(13) =867a(14) =1416a(15) =2656a(16) =2851a(17) =5971a(18) =6016a(19) =7260a(20) =9876a(21) =15019a(22) =43504a(23) =53827a(24) =88132a(25) =149032a(26) =153372a(27) =207571a(28) =223656a(29) =258442