where is the floor function and is a binomial coefficient.
Waring Formula
See also
Binomial Number, Binomial Sums, Fermat's Last TheoremExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Waring Formula." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/WaringFormula.html