128481domain: NAppears in sequencesa(n) = 5^n - n^6.at n=8A024055Least difference between 5^n and a power of 2.at n=8A086453Monotonic ordering of nonnegative differences 5^i-4^j, for 40>= i>=0, j>=0.at n=37A192162Monotonic ordering of nonnegative differences 5^i-8^j, for 40>= i>=0, j>=0.at n=26A192197