Numbers whose base-6 representation has the same number of 1's, 4's and 5's.

Terms

a(0) =0a(1) =2a(2) =3a(3) =12a(4) =14a(5) =15a(6) =18a(7) =20a(8) =21a(9) =65a(10) =70a(11) =72a(12) =74a(13) =75a(14) =84a(15) =86a(16) =87a(17) =90a(18) =92a(19) =93a(20) =108a(21) =110a(22) =111a(23) =120a(24) =122a(25) =123a(26) =126a(27) =128a(28) =129a(29) =155