Numbers whose base-3 and base-6 expansions have no digits in common.

Terms

a(0) =3a(1) =4a(2) =5a(3) =21a(4) =22a(5) =23a(6) =27a(7) =28a(8) =29a(9) =33a(10) =34a(11) =35a(12) =93a(13) =94a(14) =129a(15) =130a(16) =131a(17) =135a(18) =136a(19) =137a(20) =141a(21) =142a(22) =143a(23) =148a(24) =149a(25) =165a(26) =166a(27) =167a(28) =171a(29) =172