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A152628
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Number of permutations of 0..n-1 with all sums of 7 adjacent terms unique.
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0
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1, 2, 6, 24, 120, 720, 5040, 40320, 330240, 2926656, 27806976, 287160384, 3186150912, 38895891136, 493003257904, 6782866786416
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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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