Numbers whose base-9 representation has the same nonzero number of 2's and 3's.

Terms

a(0) =21a(1) =29a(2) =102a(3) =110a(4) =165a(5) =174a(6) =189a(7) =190a(8) =193a(9) =194a(10) =195a(11) =196a(12) =197a(13) =201a(14) =210a(15) =219a(16) =228a(17) =237a(18) =245a(19) =254a(20) =261a(21) =262a(22) =265a(23) =266a(24) =267a(25) =268a(26) =269a(27) =281a(28) =290a(29) =299