Numbers whose base-8 representation has the same number of 5's and 7's.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =8a(7) =9a(8) =10a(9) =11a(10) =12a(11) =14a(12) =16a(13) =17a(14) =18a(15) =19a(16) =20a(17) =22a(18) =24a(19) =25a(20) =26a(21) =27a(22) =28a(23) =30a(24) =32a(25) =33a(26) =34a(27) =35a(28) =36a(29) =38