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

Terms

a(0) =19a(1) =53a(2) =89a(3) =131a(4) =173a(5) =223a(6) =263a(7) =311a(8) =359a(9) =409a(10) =457a(11) =503a(12) =569a(13) =613a(14) =659a(15) =719a(16) =769a(17) =827a(18) =881a(19) =941a(20) =997a(21) =1049a(22) =1097a(23) =1163a(24) =1223a(25) =1283a(26) =1321a(27) =1423a(28) =1459a(29) =1511