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A179958
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Number of permutations of 1..n such that |p(i)-p(i-1)| >=5 for i>1.
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3
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1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 160, 6056, 161136, 3661824, 76972416, 1572313392, 32096768008, 665456850864, 14144815265510, 309931658271656
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OFFSET
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0,11
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COMMENTS
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Permutations such that the absolute difference between adjacent elements is at least 5.
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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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EXTENSIONS
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STATUS
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approved
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