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

Terms

a(0) =1a(1) =3a(2) =4a(3) =5a(4) =7a(5) =9a(6) =10a(7) =11a(8) =12a(9) =19a(10) =21a(11) =22a(12) =23a(13) =25a(14) =27a(15) =28a(16) =29a(17) =31a(18) =33a(19) =34a(20) =35a(21) =38a(22) =43a(23) =45a(24) =46a(25) =47a(26) =48a(27) =55a(28) =57a(29) =58