Primes that contain digits 3 and 8 only.

Terms

a(0) =3a(1) =83a(2) =383a(3) =883a(4) =3833a(5) =38333a(6) =38833a(7) =83383a(8) =83833a(9) =88883a(10) =333383a(11) =338383a(12) =383833a(13) =3333383a(14) =3383383a(15) =3833833a(16) =3838333a(17) =3838883a(18) =3883333a(19) =3888383a(20) =8338333a(21) =8388833a(22) =8838383a(23) =8838833a(24) =8838883a(25) =8883883a(26) =38383883a(27) =83333333a(28) =83883883a(29) =88838333