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A147729
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Number of permutations of 1..n with all sums of 2 through 7 adjacent terms respectively unique.
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0
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1, 2, 6, 16, 54, 232, 936, 3880, 17302, 81584, 409012, 2138674, 11754832, 66857094, 395646912, 2421309886, 15276353934
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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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