6383595domain: NAppears in sequencesa(n) = floor(7^n/4^n).at n=28A094980a(n) = modlg(n^n, 2^n), where modlg is the function defined in A215894: modlg(a,b) = floor(a / b^floor(logb(a))), logb is the logarithm base b.at n=27A216021