a(n) = prime(6*n - 5).

Terms

a(0) =2a(1) =17a(2) =41a(3) =67a(4) =97a(5) =127a(6) =157a(7) =191a(8) =227a(9) =257a(10) =283a(11) =331a(12) =367a(13) =401a(14) =439a(15) =467a(16) =509a(17) =563a(18) =599a(19) =631a(20) =661a(21) =709a(22) =751a(23) =797a(24) =829a(25) =877a(26) =919a(27) =967a(28) =1009a(29) =1039