Primes having only {3, 5, 6, 8} as digits.

Terms

a(0) =3a(1) =5a(2) =53a(3) =83a(4) =353a(5) =383a(6) =563a(7) =653a(8) =683a(9) =853a(10) =863a(11) =883a(12) =3533a(13) =3583a(14) =3833a(15) =3853a(16) =3863a(17) =5333a(18) =5563a(19) =5653a(20) =5683a(21) =6353a(22) =6553a(23) =6563a(24) =6653a(25) =6833a(26) =6863a(27) =6883a(28) =8353a(29) =8363