Numbers k such that 177*2^k+1 is prime.

Terms

a(0) =2a(1) =4a(2) =6a(3) =12a(4) =16a(5) =20a(6) =23a(7) =32a(8) =38a(9) =48a(10) =54a(11) =60a(12) =100a(13) =116a(14) =118a(15) =119a(16) =140a(17) =150a(18) =163a(19) =170a(20) =190a(21) =244a(22) =271a(23) =294a(24) =299a(25) =320a(26) =334a(27) =414a(28) =439a(29) =442