@article{e192a596814644e2a4b50aecee5409b6,
title = "S-exponential numbers",
keywords = "Density of increasing integer sequences, Perfect set, Powerful numbers, Prime power factorization, Products over primes, Square-free integers",
author = "Vladimir Shevelev",
year = "2016",
month = jan,
day = "1",
doi = "10.4064/aa8395-5-2016",
language = "English",
volume = "175",
pages = "385--395",
journal = "Acta Arithmetica",
issn = "0065-1036",
publisher = "Institute of Mathematics. Polish Academy of Sciences",
number = "4",
}