Numbers whose base-6 representation has the same number of 1's, 2's and 3's.

Terms

a(0) =0a(1) =4a(2) =5a(3) =24a(4) =28a(5) =29a(6) =30a(7) =34a(8) =35a(9) =51a(10) =56a(11) =81a(12) =91a(13) =116a(14) =121a(15) =144a(16) =148a(17) =149a(18) =168a(19) =172a(20) =173a(21) =174a(22) =178a(23) =179a(24) =180a(25) =184a(26) =185a(27) =204a(28) =208a(29) =209