Numbers whose base-5 representation has the same nonzero number of 0's and 4's.

Terms

a(0) =20a(1) =29a(2) =45a(3) =54a(4) =70a(5) =79a(6) =95a(7) =101a(8) =102a(9) =103a(10) =105a(11) =110a(12) =115a(13) =134a(14) =139a(15) =144a(16) =146a(17) =147a(18) =148a(19) =154a(20) =170a(21) =179a(22) =195a(23) =204a(24) =220a(25) =226a(26) =227a(27) =228a(28) =230a(29) =235