Numbers k such that 7*k! + 1 is prime.

Terms

a(0) =3a(1) =7a(2) =8a(3) =15a(4) =19a(5) =29a(6) =36a(7) =43a(8) =51a(9) =158a(10) =160a(11) =203a(12) =432a(13) =909a(14) =1235a(15) =3209a(16) =8715a(17) =9707