Numbers n such that n!3 - 3^8 is prime, where n!3 = n!!! is a triple factorial number (A007661).

Terms

a(0) =16a(1) =17a(2) =20a(3) =25a(4) =26a(5) =35a(6) =37a(7) =47a(8) =88a(9) =94a(10) =125a(11) =127a(12) =134a(13) =326a(14) =328a(15) =368a(16) =398a(17) =425a(18) =698a(19) =700a(20) =734a(21) =1303a(22) =1427a(23) =2011a(24) =2542a(25) =2699a(26) =3938a(27) =4214a(28) =5137a(29) =6314