Numbers n such that 41*2^n-1 is prime.

Terms

a(0) =2a(1) =10a(2) =14a(3) =18a(4) =50a(5) =114a(6) =122a(7) =294a(8) =362a(9) =554a(10) =582a(11) =638a(12) =758a(13) =3334a(14) =6630a(15) =42450a(16) =64218a(17) =89282a(18) =149238a(19) =511718