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A147929
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Number of permutations of floor(i*7/5), i=0..n-1, with all sums of two and three adjacent terms respectively unique.
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0
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1, 2, 6, 24, 74, 372, 1764, 9716, 58126, 350576, 2659814, 19804322, 164438708, 1469635802, 13218536446, 141134619260
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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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