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Doremy
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Doremy
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How many cubic (i.e., third-degree) polynomials f(x) are there such that f(x) has nonnegative integer coefficients and f(1)=9?
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Doremy
Aug 18, 2022
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Combinatorics
A partition of a positive integer n means a way of writing as the sum of some positive integers, where the order of the parts does not matter. For example, there are five partitions of 4: $$4\qquad 3+1\qquad 2+2\qquad 2+1+1\qquad
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Doremy
Jul 26, 2022
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