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A147949
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Number of permutations of floor(i*8/7), 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, 16, 54, 232, 936, 5070, 25700, 139976, 795314, 4513652, 26295578, 160997802, 1236858656, 9227571868
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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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