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A127402
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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 the deep hole.
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4
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0, 6, 6, 12, 12, 24, 24, 42, 54, 60, 72, 84, 96, 126, 138, 156, 168, 204, 204, 246, 270, 288
(list; graph; refs; listen; history; internal format)
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