729444domain: NAppears in sequencesa(n) = floor(8^8/n).at n=22A057070a(n) = floor((-1 + 4^n)/(-1 + 2*n)).at n=11A191636a(n) = floor(2^(n+1)/n).at n=22A281375Number of aperiodic binary toroidal necklaces of size n.at n=23A323865