Numbers whose base-12 representation has the same nonzero number of 3's and 5's.

Terms

a(0) =41a(1) =63a(2) =185a(3) =207a(4) =329a(5) =351a(6) =437a(7) =449a(8) =461a(9) =485a(10) =492a(11) =493a(12) =494a(13) =496a(14) =498a(15) =499a(16) =500a(17) =501a(18) =502a(19) =503a(20) =509a(21) =521a(22) =533a(23) =545a(24) =557a(25) =569a(26) =617a(27) =639a(28) =723a(29) =735