Numbers whose base-5 representation has the same nonzero number of 0's and 1's.

Terms

a(0) =5a(1) =27a(2) =28a(3) =29a(4) =35a(5) =40a(6) =45a(7) =51a(8) =55a(9) =76a(10) =80a(11) =101a(12) =105a(13) =126a(14) =130a(15) =137a(16) =138a(17) =139a(18) =142a(19) =143a(20) =144a(21) =147a(22) =148a(23) =149a(24) =150a(25) =177a(26) =178a(27) =179a(28) =185a(29) =190