### BibTeX entry

@article{Everynaturalnumberisthesumoffortyninepalindromes,
title = {Every natural number is the sum of forty-nine palindromes},
abstract = {It is shown that the set of decimal palindromes is an additive basis for the
natural numbers. Specifically, we prove that every natural number can be
expressed as the sum of forty-nine (possibly zero) decimal palindromes.},
url = {http://arxiv.org/abs/1508.04721v1 http://arxiv.org/pdf/1508.04721v1},
author = {William D. Banks},
comment = {},
urldate = {2016-12-17},
archivePrefix = {arXiv},
eprint = {1508.04721},
primaryClass = {math.NT},
year = 2015
}