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A147947
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Number of permutations of floor(i*7/5), i=0..n-1, with all sums of 2 through 5 adjacent terms respectively unique.
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0
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1, 2, 6, 24, 74, 372, 1764, 9076, 51988, 292392, 1967338, 12930510, 91859738, 702084750, 5271114798, 46825411464
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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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