Numbers whose base-11 representation has the same nonzero number of 0's and 6's.

Terms

a(0) =66a(1) =127a(2) =187a(3) =248a(4) =308a(5) =369a(6) =429a(7) =490a(8) =550a(9) =611a(10) =671a(11) =727a(12) =728a(13) =729a(14) =730a(15) =731a(16) =733a(17) =734a(18) =735a(19) =736a(20) =737a(21) =748a(22) =759a(23) =770a(24) =781a(25) =803a(26) =814a(27) =825a(28) =836a(29) =853