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A152644
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Number of permutations of floor(i*9/4), i=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, 343680, 3210336, 32428512, 359501856, 4409024192, 56394389456, 777561149096, 11557514999280
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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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