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A256984
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Maximal number of joints that can be formed by n lines in space.
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0
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0, 0, 0, 1, 1, 2, 4, 4, 5, 7, 10
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OFFSET
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0,6
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COMMENTS
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A joint is a point in space where three non-coplanar lines intersect.
It is not completely certain that a(9)=7 has been proved.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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