Numbers k such that k^4*2^k - 1 is a prime.

Terms

a(0) =3a(1) =29a(2) =43a(3) =83a(4) =133a(5) =209a(6) =271a(7) =329a(8) =415a(9) =727a(10) =2437a(11) =5673a(12) =6879a(13) =7813a(14) =8125a(15) =11931a(16) =29433a(17) =29491a(18) =38397a(19) =91141a(20) =99459a(21) =110935a(22) =127247