Numbers k such that 2047*2^k+1 is prime.

Terms

a(0) =6a(1) =14a(2) =18a(3) =48a(4) =60a(5) =80a(6) =296a(7) =354a(8) =428a(9) =738a(10) =2118a(11) =2856a(12) =2960a(13) =6992a(14) =25610a(15) =26520a(16) =27354a(17) =36804a(18) =41616a(19) =48684a(20) =52236a(21) =58400