Numbers k such that 407*2^k+1 is prime.

Terms

a(0) =3a(1) =11a(2) =15a(3) =23a(4) =75a(5) =119a(6) =159a(7) =215a(8) =227a(9) =235a(10) =931a(11) =979a(12) =1147a(13) =1727a(14) =2495a(15) =2827a(16) =3219a(17) =4787a(18) =6191a(19) =11815a(20) =12823a(21) =18619a(22) =21203a(23) =24547a(24) =34115a(25) =61455a(26) =71495a(27) =105091a(28) =109115a(29) =120827