Factorials and Legendre's three-square theorem
Number Theory
2021-01-06 v1
Abstract
We provide a necessary and sufficient condition for to be a sum of three squares. The condition is based on the binary representation of and can be expressed by the operation of an automaton.
Cite
@article{arxiv.2101.01567,
title = {Factorials and Legendre's three-square theorem},
author = {Rob Burns},
journal= {arXiv preprint arXiv:2101.01567},
year = {2021}
}
Comments
8 pages, 1 table, 1 figure