Numbers k such that 393*2^k+1 is prime.

Terms

a(0) =1a(1) =5a(2) =6a(3) =8a(4) =13a(5) =17a(6) =21a(7) =24a(8) =25a(9) =37a(10) =41a(11) =46a(12) =173a(13) =185a(14) =285a(15) =313a(16) =344a(17) =368a(18) =421a(19) =550a(20) =558a(21) =669a(22) =709a(23) =749a(24) =781a(25) =956a(26) =1009a(27) =1141a(28) =1165a(29) =1441