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A127403
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Number of points in a honeycomb net covered by a circular disk of diameter n if the center of the circle is chosen at a grid point.
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4
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1, 4, 4, 13, 13, 25, 31, 40, 46, 61, 73, 85, 103, 124, 130, 163, 169, 199, 211, 244, 262, 295
(list; graph; refs; listen; history; internal format)
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