Zach Wissner-Gross on Twitter: "@jamestanton The answer is yes. This neat fact arises from Euclid's formula for generating Pythagorean triples. The hypotenuse itself is always the sum of two squares. https://t.co/8cLh8cfSiP" /
Making Mathematics: Pythagorean Triples: Teaching Notes
Method to Generate Pythagorean Triples and Verify Formula - YouTube
The distribution of Pythagorean triples - The DO Loop