Numbers k such that 45*2^k - 1 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =8a(7) =9a(8) =14a(9) =15a(10) =16a(11) =22a(12) =28a(13) =29a(14) =36a(15) =37a(16) =54a(17) =59a(18) =85a(19) =93a(20) =117a(21) =119a(22) =161a(23) =189a(24) =193a(25) =256a(26) =308a(27) =322a(28) =327a(29) =411