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A152368
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Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 5 adjacent terms unique.
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0
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1, 2, 6, 24, 120, 720, 4416, 30744, 239856, 2139504, 19700808, 202858542, 2208308468, 25994725052, 324119733220, 4313917683752
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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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