A037413 n-th number k such that the set of base 2 digits of k equals the set of base 8 digits of k.

1, 8, 64, 65, 72, 512, 513, 520, 521, 576, 577, 584, 4096, 4097, 4104, 4105, 4160, 4161, 4168, 4169, 4608, 4609, 4616, 4617, 4672, 4673, 4680