Numbers whose base-10 representation has the same nonzero number of 2's and 3's.

Terms

a(0) =23a(1) =32a(2) =123a(3) =132a(4) =203a(5) =213a(6) =230a(7) =231a(8) =234a(9) =235a(10) =236a(11) =237a(12) =238a(13) =239a(14) =243a(15) =253a(16) =263a(17) =273a(18) =283a(19) =293a(20) =302a(21) =312a(22) =320a(23) =321a(24) =324a(25) =325a(26) =326a(27) =327a(28) =328a(29) =329