Numbers k such that 9*2^k + 1 is prime.

Terms

a(0) =1a(1) =2a(2) =3a(3) =6a(4) =7a(5) =11a(6) =14a(7) =17a(8) =33a(9) =42a(10) =43a(11) =63a(12) =65a(13) =67a(14) =81a(15) =134a(16) =162a(17) =206a(18) =211a(19) =366a(20) =663a(21) =782a(22) =1305a(23) =1411a(24) =1494a(25) =2297a(26) =2826a(27) =3230a(28) =3354a(29) =3417