Numbers whose base-11 representation has the same nonzero number of 5's and 7's.

Terms

a(0) =62a(1) =82a(2) =183a(3) =203a(4) =304a(5) =324a(6) =425a(7) =445a(8) =546a(9) =566a(10) =612a(11) =623a(12) =634a(13) =645a(14) =656a(15) =678a(16) =682a(17) =683a(18) =684a(19) =685a(20) =686a(21) =688a(22) =690a(23) =691a(24) =692a(25) =700a(26) =711a(27) =722a(28) =788a(29) =808