Numbers whose base-6 representation has the same number of 0's, 1's and 4's.

Terms

a(0) =2a(1) =3a(2) =5a(3) =14a(4) =15a(5) =17a(6) =20a(7) =21a(8) =23a(9) =32a(10) =33a(11) =35a(12) =40a(13) =60a(14) =86a(15) =87a(16) =89a(17) =92a(18) =93a(19) =95a(20) =104a(21) =105a(22) =107a(23) =122a(24) =123a(25) =125a(26) =128a(27) =129a(28) =131a(29) =140