a(n) = prime(8*n - 1).

Terms

a(0) =17a(1) =47a(2) =83a(3) =127a(4) =167a(5) =211a(6) =257a(7) =307a(8) =353a(9) =401a(10) =449a(11) =499a(12) =563a(13) =607a(14) =653a(15) =709a(16) =761a(17) =823a(18) =877a(19) =937a(20) =991a(21) =1039a(22) =1093a(23) =1153a(24) =1217a(25) =1279a(26) =1319a(27) =1409a(28) =1453a(29) =1499