2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/62101This paper shows that the number of hooks of length k contained in all partitions of n equals k times the number of parts of length k in all partitions of n. It contains also formulas for the moments (under uniform distribution) of k-th parts in partitions of n.10 pages, 1 figureCombinatoricsNumber Theory05A17text