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

Terms

a(0) =2a(1) =29a(2) =89a(3) =229a(4) =829a(5) =929a(6) =2999a(7) =8929a(8) =8999a(9) =9829a(10) =9929a(11) =22229a(12) =28229a(13) =28289a(14) =29989a(15) =82889a(16) =88289a(17) =89899a(18) =89989a(19) =92899a(20) =98299a(21) =98899a(22) =98929a(23) =98999a(24) =99289a(25) =99829a(26) =99929a(27) =99989a(28) =222289a(29) =228299