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A147919
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Number of permutations of floor(i*6/5), i=0..n-1, with all sums of two adjacent terms unique.
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0
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1, 2, 6, 16, 54, 300, 1508, 9488, 58680, 406376, 3576988, 30865472, 296769186, 2879354420, 30206726508, 369524784820
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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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