Numbers whose base-11 representation has the same nonzero number of 0's and 9's.

Terms

a(0) =99a(1) =130a(2) =220a(3) =251a(4) =341a(5) =372a(6) =462a(7) =493a(8) =583a(9) =614a(10) =704a(11) =735a(12) =825a(13) =856a(14) =946a(15) =977a(16) =1067a(17) =1090a(18) =1091a(19) =1092a(20) =1093a(21) =1094a(22) =1095a(23) =1096a(24) =1097a(25) =1099a(26) =1100a(27) =1111a(28) =1122a(29) =1133