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A359860
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Number of regions among all distinct circles that can be constructed from a 2 X n square grid of points using only a compass.
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6
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3, 45, 231, 865, 2081, 4489, 8211, 14401, 22857, 35445, 51741, 74397, 102271, 138801, 182739, 238181, 303175, 383097
(list;
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listen;
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internal format)
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OFFSET
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1,1
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COMMENTS
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See A359859 for further details. No formula for a(n) is known.
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LINKS
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FORMULA
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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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