Numbers k such that 7*2^k - 5 is prime.

Terms

a(0) =0a(1) =2a(2) =4a(3) =6a(4) =8a(5) =16a(6) =18a(7) =26a(8) =30a(9) =42a(10) =52a(11) =54a(12) =60a(13) =98a(14) =138a(15) =148a(16) =164a(17) =180a(18) =188a(19) =198a(20) =232a(21) =268a(22) =366a(23) =494a(24) =556a(25) =636a(26) =700a(27) =830a(28) =908a(29) =2164