Numbers whose base-9 representation has the same nonzero number of 4's and 8's.

Terms

a(0) =44a(1) =76a(2) =125a(3) =157a(4) =206a(5) =238a(6) =287a(7) =319a(8) =332a(9) =341a(10) =350a(11) =359a(12) =377a(13) =386a(14) =395a(15) =396a(16) =397a(17) =398a(18) =399a(19) =401a(20) =402a(21) =403a(22) =449a(23) =481a(24) =530a(25) =562a(26) =611a(27) =643a(28) =652a(29) =661