Numbers n such that n!10-1 is prime.

Terms

a(0) =3a(1) =4a(2) =6a(3) =8a(4) =12a(5) =20a(6) =40a(7) =48a(8) =60a(9) =62a(10) =70a(11) =84a(12) =88a(13) =168a(14) =240a(15) =258a(16) =372a(17) =760a(18) =932a(19) =1010a(20) =2110a(21) =2464a(22) =2490a(23) =2702a(24) =3180a(25) =4744a(26) =6024a(27) =8858a(28) =9060a(29) =10322