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A147895
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Number of permutations of floor(i*7/4), 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, 96, 456, 2134, 12418, 81178, 625138, 4275412, 32681806, 305356674, 3193552544, 29875677830, 301075498104
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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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