Stars and bars (combinatorics): Difference between revisions

Revision as of 00:02, 20 April 2024

Revision as of 00:04, 20 April 2024

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:<math>\binom{n + k - 1}{k - 1} = \binom{10+4-1}{4 - 1} = \binom{13}{3} = 286</math>

This corresponds to [[Composition (combinatorics)|weak compositions]] of an integer..

==Proofs via the method of stars and bars==