Numbers whose base-12 representation has the same nonzero number of 5's and 11's.

Terms

a(0) =71a(1) =137a(2) =215a(3) =281a(4) =359a(5) =425a(6) =503a(7) =569a(8) =647a(9) =713a(10) =731a(11) =743a(12) =755a(13) =767a(14) =779a(15) =803a(16) =815a(17) =827a(18) =839a(19) =851a(20) =852a(21) =853a(22) =854a(23) =855a(24) =856a(25) =858a(26) =859a(27) =860a(28) =861a(29) =862