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A147908
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Number of permutations of floor(i*3/2), 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, 74, 368, 1776, 9208, 53466, 314212, 2033052, 13601690, 101992918, 775253990, 6502888210, 55177455836
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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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