Numbers whose base-9 representation has the same nonzero number of 2's and 6's.

Terms

a(0) =24a(1) =56a(2) =105a(3) =137a(4) =168a(5) =177a(6) =195a(7) =204a(8) =213a(9) =216a(10) =217a(11) =219a(12) =220a(13) =221a(14) =223a(15) =224a(16) =231a(17) =240a(18) =267a(19) =299a(20) =348a(21) =380a(22) =429a(23) =461a(24) =488a(25) =497a(26) =504a(27) =505a(28) =507a(29) =508