Numbers whose base-6 and base-9 expansions have no digits in common.

Terms

a(0) =6a(1) =7a(2) =8a(3) =12a(4) =14a(5) =15a(6) =16a(7) =17a(8) =24a(9) =25a(10) =28a(11) =29a(12) =30a(13) =31a(14) =34a(15) =35a(16) =42a(17) =43a(18) =44a(19) =45a(20) =48a(21) =49a(22) =50a(23) =51a(24) =52a(25) =60a(26) =61a(27) =62a(28) =63a(29) =65