Numbers whose base-8 representation has the same nonzero number of 2's and 4's.

Terms

a(0) =20a(1) =34a(2) =84a(3) =98a(4) =132a(5) =140a(6) =156a(7) =160a(8) =161a(9) =163a(10) =165a(11) =166a(12) =167a(13) =172a(14) =180a(15) =188a(16) =212a(17) =226a(18) =258a(19) =266a(20) =272a(21) =273a(22) =275a(23) =277a(24) =278a(25) =279a(26) =282a(27) =298a(28) =306a(29) =314