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Mathematics, 10.12.2020 17:20 michellermccarty

3. Let k, m, n ∈ N such that k < n. Use a shortest-paths argument to find a formula for the number of increasing functions from f : [m] → [n] such that f(x) < x + k for all x. Your answer should have the form (a choose b) - (c choose d)

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3. Let k, m, n ∈ N such that k < n. Use a shortest-paths argument to find a formula for the numbe...

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