Numbers whose base-11 representation has the same nonzero number of 0's and 7's.

Terms

a(0) =77a(1) =128a(2) =198a(3) =249a(4) =319a(5) =370a(6) =440a(7) =491a(8) =561a(9) =612a(10) =682a(11) =733a(12) =803a(13) =848a(14) =849a(15) =850a(16) =851a(17) =852a(18) =853a(19) =855a(20) =856a(21) =857a(22) =858a(23) =869a(24) =880a(25) =891a(26) =902a(27) =913a(28) =935a(29) =946