Numbers k such that k!6 - 18 is prime, where k!6 is the sextuple factorial number (A085158).

Terms

a(0) =11a(1) =13a(2) =23a(3) =25a(4) =35a(5) =85a(6) =89a(7) =91a(8) =103a(9) =127a(10) =161a(11) =265a(12) =295a(13) =385a(14) =605a(15) =719a(16) =913a(17) =1379a(18) =1423a(19) =1481a(20) =1603a(21) =2129a(22) =2603a(23) =3893a(24) =4739a(25) =6461a(26) =7249a(27) =7549a(28) =8149a(29) =10633