Numbers whose base-8 representation has the same nonzero number of 3's and 4's.

Terms

a(0) =28a(1) =35a(2) =92a(3) =99a(4) =156a(5) =163a(6) =196a(7) =204a(8) =212a(9) =224a(10) =225a(11) =226a(12) =229a(13) =230a(14) =231a(15) =236a(16) =244a(17) =252a(18) =259a(19) =267a(20) =275a(21) =280a(22) =281a(23) =282a(24) =285a(25) =286a(26) =287a(27) =299a(28) =307a(29) =315