Primes that contain digits 8 and 9 only.

Terms

a(0) =89a(1) =8999a(2) =89899a(3) =89989a(4) =98899a(5) =98999a(6) =99989a(7) =888989a(8) =898889a(9) =989999a(10) =998989a(11) =8888989a(12) =8889889a(13) =8988989a(14) =8989999a(15) =8998889a(16) =8999899a(17) =9888889a(18) =9889889a(19) =9899999a(20) =9989899a(21) =9999889a(22) =88888999a(23) =88898989a(24) =88989899a(25) =89888989a(26) =89889889a(27) =89898889a(28) =89999999a(29) =98888989