Numbers whose base-11 representation has the same nonzero number of 0's and 5's.

Terms

a(0) =55a(1) =126a(2) =176a(3) =247a(4) =297a(5) =368a(6) =418a(7) =489a(8) =539a(9) =606a(10) =607a(11) =608a(12) =609a(13) =611a(14) =612a(15) =613a(16) =614a(17) =615a(18) =616a(19) =627a(20) =638a(21) =649a(22) =671a(23) =682a(24) =693a(25) =704a(26) =715a(27) =731a(28) =781a(29) =852