Numbers whose base-6 representation has the same number of 1's, 2's and 4's.

Terms

a(0) =0a(1) =3a(2) =5a(3) =18a(4) =21a(5) =23a(6) =30a(7) =33a(8) =35a(9) =52a(10) =62a(11) =82a(12) =97a(13) =108a(14) =111a(15) =113a(16) =126a(17) =129a(18) =131a(19) =138a(20) =141a(21) =143a(22) =152a(23) =157a(24) =180a(25) =183a(26) =185a(27) =198a(28) =201a(29) =203