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A152322
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Number of permutations of floor(i*7/4), 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, 112, 552, 3712, 27192, 214364, 1821054, 17062880, 174404598, 1971151548, 23606317248, 300614239004, 4085161670066
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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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