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A260356
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a(n) is the minimal value of Sum_{i=1..n} Product_{j=1..5} r_j(i), where each r_j is a permutation of {1,2,...,n}.
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3
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OFFSET
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1,2
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COMMENTS
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See Wu link for sets of permutations that achieve the value of a(n).
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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