Numbers k such that 2*k!!! - 1 is prime.

Terms

a(0) =2a(1) =3a(2) =4a(3) =5a(4) =11a(5) =23a(6) =27a(7) =29a(8) =36a(9) =40a(10) =41a(11) =71a(12) =89a(13) =119a(14) =127a(15) =157a(16) =163a(17) =187a(18) =652a(19) =1374a(20) =1518a(21) =2922a(22) =5193a(23) =6663a(24) =7455a(25) =9739a(26) =11569a(27) =14103