Numbers n such that 219*2^n-1 is prime.

Terms

a(0) =7a(1) =81a(2) =381a(3) =412a(4) =657a(5) =853a(6) =1317a(7) =3261a(8) =3768a(9) =6081a(10) =14017a(11) =19993a(12) =25863a(13) =31801a(14) =40113a(15) =48877a(16) =558313