Numbers whose base-12 representation has the same nonzero number of 2's and 9's.

Terms

a(0) =33a(1) =110a(2) =177a(3) =254a(4) =297a(5) =309a(6) =333a(7) =345a(8) =357a(9) =369a(10) =381a(11) =393a(12) =396a(13) =397a(14) =399a(15) =400a(16) =401a(17) =402a(18) =403a(19) =404a(20) =406a(21) =407a(22) =417a(23) =429a(24) =465a(25) =542a(26) =609a(27) =686a(28) =753a(29) =830