Primes having only {0, 2, 4, 9} as digits.

Terms

a(0) =2a(1) =29a(2) =229a(3) =409a(4) =449a(5) =499a(6) =929a(7) =2029a(8) =2099a(9) =2909a(10) =2999a(11) =4049a(12) =4099a(13) =4229a(14) =4409a(15) =4909a(16) =4999a(17) =9029a(18) =9049a(19) =9209a(20) =9929a(21) =9949a(22) =20029a(23) =20249a(24) =20929a(25) =22229a(26) =22409a(27) =24029a(28) =24049a(29) =24229