Numbers k such that 4^k + 33 is prime.

Terms

a(0) =1a(1) =3a(2) =6a(3) =7a(4) =10a(5) =15a(6) =30a(7) =34a(8) =54a(9) =58a(10) =103a(11) =105a(12) =205a(13) =223a(14) =279a(15) =741a(16) =2098a(17) =3523a(18) =9210a(19) =37674a(20) =89895a(21) =101509a(22) =217123