KnowraCatalan numberLinked fromLinked fromThe 12 pages that link to Catalan number, each with the reason it gives.All 12Broader topic 3Related 7Compared with 2Recurrence relationBroader topic: Their convolution recurrence expresses how a structure splits into smaller structures.Combinatorial proofBroader topic: Their many interpretations let identities be proved by matching distinct families of objects.Lagrange inversion theoremBroader topic: Lagrange inversion extracts its generating-function coefficients from an implicit equation.