a(n) = prime(8*n-3).

Terms

a(0) =11a(1) =41a(2) =73a(3) =109a(4) =157a(5) =197a(6) =241a(7) =283a(8) =347a(9) =389a(10) =439a(11) =487a(12) =547a(13) =599a(14) =643a(15) =691a(16) =751a(17) =811a(18) =859a(19) =919a(20) =977a(21) =1031a(22) =1087a(23) =1129a(24) =1201a(25) =1259a(26) =1303a(27) =1381a(28) =1447a(29) =1489