Numbers k such that 3*2^k - 7 is prime.

Terms

a(0) =2a(1) =3a(2) =4a(3) =5a(4) =8a(5) =12a(6) =15a(7) =17a(8) =20a(9) =21a(10) =45a(11) =48a(12) =87a(13) =97a(14) =113a(15) =120a(16) =172a(17) =217a(18) =228a(19) =276a(20) =312a(21) =580a(22) =692a(23) =1132a(24) =1588a(25) =1668a(26) =2576a(27) =2591a(28) =3780a(29) =4311