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

Terms

a(0) =15a(1) =20a(2) =51a(3) =56a(4) =75a(5) =81a(6) =90a(7) =91a(8) =94a(9) =95a(10) =99a(11) =105a(12) =110a(13) =116a(14) =120a(15) =121a(16) =124a(17) =125a(18) =134a(19) =140a(20) =159a(21) =164a(22) =195a(23) =200a(24) =231a(25) =236a(26) =267a(27) =272a(28) =291a(29) =297