2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/161645Let $h$ and $l$ be integers such that $0\le h\le 2$, $0\le l\le 4$. We obtain asymptotic formulas for the numbers of solutions of the equations $n-3m=h$, $n-5m=l$ in positive integers $m$ and $n$ of a special kind, $m\le X$.6 pagesNumber Theorytext