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

Terms

a(0) =2a(1) =3a(2) =4a(3) =14a(4) =15a(5) =17a(6) =24a(7) =41a(8) =54a(9) =77a(10) =275a(11) =447a(12) =524a(13) =574a(14) =1546a(15) =2132a(16) =2711a(17) =2804a(18) =7994a(19) =11684a(20) =12073