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A152341
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Number of permutations of floor(i*7/5), i=0..n-1, with all sums of 4 adjacent terms unique.
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0
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1, 2, 6, 24, 120, 656, 4080, 27072, 220604, 1882092, 18317858, 187501438, 2071008996, 24972179932, 315181758186, 4341516164432
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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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