Primes not containing the digit '7'.

Terms

a(0) =2a(1) =3a(2) =5a(3) =11a(4) =13a(5) =19a(6) =23a(7) =29a(8) =31a(9) =41a(10) =43a(11) =53a(12) =59a(13) =61a(14) =83a(15) =89a(16) =101a(17) =103a(18) =109a(19) =113a(20) =131a(21) =139a(22) =149a(23) =151a(24) =163a(25) =181a(26) =191a(27) =193a(28) =199a(29) =211