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A152316
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Number of permutations of floor(i*4/3), 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, 104, 500, 3024, 21576, 159056, 1345478, 12486786, 122015150, 1312856218, 15021496980, 181016818160, 2389582439238
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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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