Let k be a fixed integer. Let an be the number of weak k- compositions of...

 

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Let k be a fixed integer. Let an be the number of weak k- compositions of n, such that no part is equal to 2. Assume that ao = 1. Find the closed form for the ordinary generating function for an, i.e. A(x) = x0 Anxn. n=0 Let k be a fixed integer. Let an be the number of weak k- compositions of n, such that no part is equal to 2. Assume that ao = 1. Find the closed form for the ordinary generating function for an, i.e. A(x) = x0 Anxn. n=0