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

Terms

a(0) =11a(1) =29a(2) =47a(3) =71a(4) =97a(5) =113a(6) =149a(7) =173a(8) =197a(9) =229a(10) =257a(11) =281a(12) =313a(13) =349a(14) =379a(15) =409a(16) =439a(17) =463a(18) =499a(19) =541a(20) =571a(21) =601a(22) =631a(23) =659a(24) =691a(25) =733a(26) =761a(27) =809a(28) =829a(29) =863