Numbers k such that 145*2^k+1 is prime.

Terms

a(0) =6a(1) =16a(2) =28a(3) =70a(4) =76a(5) =250a(6) =276a(7) =312a(8) =562a(9) =636a(10) =1366a(11) =1552a(12) =1968a(13) =7000a(14) =7312a(15) =7548a(16) =7852a(17) =8116a(18) =16306a(19) =18868a(20) =20518a(21) =23676a(22) =27400a(23) =75858a(24) =207880a(25) =1233286a(26) =2621020a(27) =4327756