Numbers whose base-5 representation has the same nonzero number of 0's and 3's.

Terms

a(0) =15a(1) =28a(2) =40a(3) =53a(4) =65a(5) =76a(6) =77a(7) =79a(8) =80a(9) =85a(10) =95a(11) =103a(12) =115a(13) =133a(14) =138a(15) =141a(16) =142a(17) =144a(18) =148a(19) =153a(20) =165a(21) =178a(22) =190a(23) =201a(24) =202a(25) =204a(26) =205a(27) =210a(28) =220a(29) =228