Numbers whose base-6 representation has the same number of 0's, 2's and 4's.

Terms

a(0) =1a(1) =3a(2) =5a(3) =7a(4) =9a(5) =11a(6) =19a(7) =21a(8) =23a(9) =31a(10) =33a(11) =35a(12) =43a(13) =45a(14) =47a(15) =55a(16) =57a(17) =59a(18) =67a(19) =69a(20) =71a(21) =76a(22) =96a(23) =115a(24) =117a(25) =119a(26) =127a(27) =129a(28) =131a(29) =139