Numbers whose base-12 representation has the same nonzero number of 0's and 5's.

Terms

a(0) =60a(1) =149a(2) =204a(3) =293a(4) =348a(5) =437a(6) =492a(7) =581a(8) =636a(9) =721a(10) =722a(11) =723a(12) =724a(13) =726a(14) =727a(15) =728a(16) =729a(17) =730a(18) =731a(19) =732a(20) =744a(21) =756a(22) =768a(23) =792a(24) =804a(25) =816a(26) =828a(27) =840a(28) =852a(29) =869