Numbers whose base-5 representation has the same number of 2's and 4's.

Terms

a(0) =0a(1) =1a(2) =3a(3) =5a(4) =6a(5) =8a(6) =14a(7) =15a(8) =16a(9) =18a(10) =22a(11) =25a(12) =26a(13) =28a(14) =30a(15) =31a(16) =33a(17) =39a(18) =40a(19) =41a(20) =43a(21) =47a(22) =54a(23) =59a(24) =69a(25) =70a(26) =71a(27) =73a(28) =75a(29) =76