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f:N--> N

Source: Vietnam 1996- A

October 4, 2007
functionalgebra proposedalgebra

Problem Statement

Find all f:Nā†’N f: \mathbb{N}\to\mathbb{N} so that : f(n) \plus{} f(n \plus{} 1) \equal{} f(n \plus{} 2)f(n \plus{} 3) \minus{} 1996
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