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

Terms

a(0) =2a(1) =6a(2) =14a(3) =25a(4) =114a(5) =188a(6) =193a(7) =361a(8) =712a(9) =1767a(10) =3195a(11) =4995a(12) =5682a(13) =6485a(14) =9937