Numbers whose base-12 representation has the same nonzero number of 0's and 7's.

Terms

a(0) =84a(1) =151a(2) =228a(3) =295a(4) =372a(5) =439a(6) =516a(7) =583a(8) =660a(9) =727a(10) =804a(11) =871a(12) =948a(13) =1009a(14) =1010a(15) =1011a(16) =1012a(17) =1013a(18) =1014a(19) =1016a(20) =1017a(21) =1018a(22) =1019a(23) =1020a(24) =1032a(25) =1044a(26) =1056a(27) =1068a(28) =1080a(29) =1104