1/3-Smith numbers.

Terms

a(0) =6969a(1) =19998a(2) =36399a(3) =39693a(4) =66099a(5) =69663a(6) =69897a(7) =89769a(8) =99363a(9) =99759a(10) =109989a(11) =118899a(12) =181998a(13) =191799a(14) =199089a(15) =297099a(16) =306939a(17) =333399a(18) =336963a(19) =339933a(20) =363099a(21) =396363a(22) =397998a(23) =399333a(24) =399729a(25) =588969a(26) =606666a(27) =606909a(28) =639633a(29) =660693