Numbers whose base-12 representation has the same nonzero number of 1's and 8's.

Terms

a(0) =20a(1) =97a(2) =152a(3) =176a(4) =188a(5) =200a(6) =212a(7) =224a(8) =236a(9) =240a(10) =242a(11) =243a(12) =244a(13) =245a(14) =246a(15) =247a(16) =249a(17) =250a(18) =251a(19) =260a(20) =272a(21) =284a(22) =308a(23) =385a(24) =452a(25) =529a(26) =596a(27) =673a(28) =740a(29) =817