Numbers whose base-11 representation has the same nonzero number of 3's and 4's.

Terms

a(0) =37a(1) =47a(2) =158a(3) =168a(4) =279a(5) =289a(6) =367a(7) =378a(8) =389a(9) =407a(10) =408a(11) =409a(12) =412a(13) =413a(14) =414a(15) =415a(16) =416a(17) =417a(18) =422a(19) =433a(20) =444a(21) =455a(22) =466a(23) =477a(24) =487a(25) =498a(26) =509a(27) =517a(28) =518a(29) =519