Numbers k such that 269*2^k + 1 is prime.

Terms

a(0) =3a(1) =5a(2) =15a(3) =27a(4) =53a(5) =137a(6) =153a(7) =155a(8) =185a(9) =239a(10) =717a(11) =735a(12) =789a(13) =1343a(14) =3485a(15) =5109a(16) =6195a(17) =14927a(18) =110463a(19) =132695a(20) =143027a(21) =183725a(22) =216803a(23) =317859a(24) =469595a(25) =1011107a(26) =1317053a(27) =1348497a(28) =1618877a(29) =1942389