2023 Number Challenge: Find sum of four squares that is equal to 2023

Chit-chat on Lagrange's four-square theorem

Jacobi's four-square theorem

Lagrange's Four-Square Theorem -- from Wolfram MathWorld

SOLVED: Theorem 8.35 (Lagrange's Four-Square Theorem) then n can be expressed as the sum If n is a number; of four squares: natural lattice A in 4-space is a set of the

Solved QUADRA range's Four-Square Theorem) If n is a natural

PDF] New parametrization of $A^2+B^2+C^2=3D^2$ and Lagrange's four-square theorem

Waring's Problem & Lagrange's Four-Square Theorem

CodeChef - Lagrange's four-square theorem, also known as Bachet's conjecture, states that every natural number can be represented as the sum of four integer squares. This theorem was proven by Joseph Louis

Lagrange's Four-Square Theorem Seen Using Polygons and Lines

An Independent Quaternion Proof of Jacobi's Four Square Theorem