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A152327
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Number of permutations of floor(i*8/7), i=0..n-1, with all sums of 3 adjacent terms unique.
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0
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1, 2, 6, 24, 96, 520, 2888, 19068, 145020, 1138148, 10214074, 94526080, 967610930, 10343591120, 123439408674, 1576525675134
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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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