Numbers whose base-12 representation has the same number of 0's and 9's.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =10a(9) =11a(10) =13a(11) =14a(12) =15a(13) =16a(14) =17a(15) =18a(16) =19a(17) =20a(18) =22a(19) =23a(20) =25a(21) =26a(22) =27a(23) =28a(24) =29a(25) =30a(26) =31a(27) =32a(28) =34a(29) =35