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

MathType on X: Lagrange's four-square theorem asserts that any positive whole number can be written as the sum of four squares of integers. Leave an example in the comments! #MathType #NumberTheory #math #

Sum of four Squares

PDF) Two refinements of Lagrange's four-square theorem

Table 3 from Extended Lagrange's four-square theorem

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

Four Square Theorem - Quaternions, PDF, Prime Number

Chapter 3 Greek Number Theory The Role of Number Theory Polygonal, Prime and Perfect Numbers The Euclidean Algorithm Pell's Equation The Chord and Tangent. - ppt download

Stable/Patient Sort: Bit-Manipulation-To-Solve-Problems-Easily-And-Efficiently, PDF, Square Root

Lagrange and the four-square theorem - Archive ouverte HAL

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