Numbers k such that k!! + 2^9 is prime.

Terms

a(0) =7a(1) =13a(2) =15a(3) =19a(4) =25a(5) =133a(6) =135a(7) =199a(8) =223a(9) =297a(10) =299a(11) =511a(12) =15263a(13) =16491a(14) =18967a(15) =32455