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A187679
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"Connect the dots": Minimal number of circular arcs needed to connect all points of an n X n grid of points.
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1
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OFFSET
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1,3
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COMMENTS
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a(7)=9 is only a conjecture at present. I include it in the Data line to disambiguate this sequence from its neighbors.
For straight line segments the answer is conjectured to be 2n-2 for all n >=3, with a(1)=1, a(2)=3.
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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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