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

Terms

a(0) =2a(1) =29a(2) =229a(3) =929a(4) =2029a(5) =2099a(6) =2909a(7) =2999a(8) =9029a(9) =9209a(10) =9929a(11) =20029a(12) =20929a(13) =22229a(14) =29009a(15) =29209a(16) =92009a(17) =99929a(18) =200009a(19) =200029a(20) =200909a(21) =200929a(22) =202099a(23) =202999a(24) =209029a(25) =209299a(26) =209929a(27) =220009a(28) =222029a(29) =290209