> because we spent an entire semester at the university in one class working on these two. Yeah, the Math Overflow answers are a bit sparse, and I think the Eu

> because we spent an entire semester at the university in one class working on these two. Yeah, the Math Overflow answers are a bit sparse, and I think the Euler formulation (while clever) is a bit of a red herring and might be circular. Trying to slowly go through that 1917 paper, thanks for linking!