Question Number 158638 by HongKing last updated on 07/Nov/21
$$\mathrm{Provd}\:\mathrm{that}\:\:\mathrm{2017}^{\boldsymbol{\mathrm{n}}} \:\:\mathrm{can}\:\mathrm{be}\:\mathrm{written} \\ $$$$\mathrm{as}\:\mathrm{the}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{seven}\:\mathrm{perfect}\:\mathrm{squares}. \\ $$$$ \\ $$