Tree of primitive Pythagorean triples (source code)

= Tree of primitive Pythagorean triples
{wiki=Tree_of_primitive_Pythagorean_triples}

A **primitive Pythagorean triple** consists of three positive integers \\( (a, b, c) \\) that satisfy the equation \\( a^2 + b^2 = c^2 \\) and have a greatest common divisor (gcd) of 1, meaning they are coprime.