Numbers n such that 73*2^n-1 is prime.

Terms

a(0) =7a(1) =11a(2) =19a(3) =71a(4) =79a(5) =131a(6) =1167a(7) =1191a(8) =6771a(9) =12627a(10) =17947a(11) =20079a(12) =26347a(13) =40327a(14) =41231a(15) =69379a(16) =109587a(17) =193559a(18) =212451a(19) =499391a(20) =783831