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A152708
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Number of permutations of floor(i*9/2), i=0..n-1, with all sums of 8 adjacent terms unique.
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0
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1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3421440, 35166240, 389352960, 4694073888, 60648751360, 847015485216, 12403530135936
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OFFSET
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1,2
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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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