Numbers whose base-11 representation has the same nonzero number of 2's and 9's.

Terms

a(0) =31a(1) =101a(2) =152a(3) =222a(4) =251a(5) =262a(6) =284a(7) =295a(8) =306a(9) =317a(10) =328a(11) =339a(12) =341a(13) =342a(14) =344a(15) =345a(16) =346a(17) =347a(18) =348a(19) =349a(20) =351a(21) =361a(22) =394a(23) =464a(24) =515a(25) =585a(26) =636a(27) =706a(28) =757a(29) =827