Numbers k such that 64 * 3^k - 1 is prime.

Terms

a(0) =1a(1) =5a(2) =7a(3) =67a(4) =295a(5) =325a(6) =367a(7) =397a(8) =517a(9) =551a(10) =1021a(11) =2321a(12) =5647a(13) =8071a(14) =22997a(15) =95611a(16) =103297a(17) =124171