Primes having only {2, 4, 8, 9} as digits.

Terms

a(0) =2a(1) =29a(2) =89a(3) =229a(4) =449a(5) =499a(6) =829a(7) =929a(8) =2999a(9) =4229a(10) =4289a(11) =4889a(12) =4999a(13) =8429a(14) =8849a(15) =8929a(16) =8999a(17) =9829a(18) =9929a(19) =9949a(20) =22229a(21) =24229a(22) =24499a(23) =24889a(24) =24989a(25) =28229a(26) =28289a(27) =28429a(28) =28499a(29) =28949