Numbers n such that primorial(n)/2 + 512 is prime.

Terms

a(0) =4a(1) =5a(2) =6a(3) =7a(4) =9a(5) =12a(6) =73a(7) =129a(8) =142a(9) =144a(10) =253a(11) =455a(12) =531a(13) =734a(14) =1009a(15) =1193a(16) =1553a(17) =2449a(18) =3309a(19) =13534a(20) =17513a(21) =17832a(22) =22852