Primes having only {3, 4, 6, 8} as digits.

Terms

a(0) =3a(1) =43a(2) =83a(3) =383a(4) =433a(5) =443a(6) =463a(7) =643a(8) =683a(9) =863a(10) =883a(11) =3343a(12) =3433a(13) =3463a(14) =3643a(15) =3833a(16) =3863a(17) =4363a(18) =4463a(19) =4483a(20) =4643a(21) =4663a(22) =6343a(23) =6833a(24) =6863a(25) =6883a(26) =8363a(27) =8443a(28) =8663a(29) =8863