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A226286
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[n/2]!*[(n+1)/2]!*C([n/2],5)*C([(n+1)/2],5).
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3
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0, 0, 0, 0, 0, 0, 0, 0, 0, 14400, 518400, 18662400, 457228800, 11202105600, 238978252800, 5098202726400, 103238605209600, 2090581755494400, 41811635109888000, 836232702197760000, 16864026160988160000
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OFFSET
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1,10
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COMMENTS
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Number of permutations of n elements with 10 odd displacements.
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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