2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77015Catalan's formula, for the portion of the inheritance that a legitimate child of a 19th-century deceased French gentleman should receive, is given a new proof (using Difference Operators), and generalized. Another, more computationally efficient, formula is also derived.Plain TeXCombinatoricsHow Much Should a 19th-Century French Bastard Inherittext