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A147732
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Number of permutations of 0..n-1 with all sums of 2 through 3 adjacent terms squared respectively unique.
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0
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1, 2, 6, 24, 120, 624, 4176, 32620, 284384, 2803702, 29664334, 339061272, 4391825384, 58843870478, 866121264934
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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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