a(n) = prime(9*n - 6).

Terms

a(0) =5a(1) =37a(2) =73a(3) =113a(4) =167a(5) =223a(6) =269a(7) =317a(8) =379a(9) =433a(10) =487a(11) =557a(12) =607a(13) =659a(14) =727a(15) =787a(16) =853a(17) =911a(18) =977a(19) =1033a(20) =1093a(21) =1163a(22) =1229a(23) =1291a(24) =1367a(25) =1439a(26) =1489a(27) =1559a(28) =1613a(29) =1693