List of 20,000 right-angled triangles with whole-number sides

Some mathematical investigations can benefit from having a handy list of right-angled triangles with whole number sides. We know of the common [a = 3,b = 4, c = 5] triangle often used to illustrate the Pythagorean theorem (5^2 = sqrt(3^2 + 4^2)), but sometimes we need more of these. For this reason I made the following lists, placed inside handy text files. They start from the smallest possible triangle (the [3,4,5] one) and iterate up.

List of 20,000 right-angled triangles with whole-number sides sorted by the smallest side (i.e. side a).

List of 20,000 right-angled triangles with whole-number sides sorted by the largest side (i.e. the hypotenuse or side c).