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

Terms

a(0) =1a(1) =2a(2) =5a(3) =10a(4) =24a(5) =30a(6) =72a(7) =340a(8) =379a(9) =712a(10) =1020a(11) =1647a(12) =3654a(13) =7923