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A179960
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Number of permutations of 1..n with no adjacent elements within 6 in value.
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0
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1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 768, 98408, 6433728, 305193408, 11902581120, 412583686272
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listen;
history;
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internal format)
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OFFSET
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0,15
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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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