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A053594
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Open 3-dimensional ball numbers (version 2): a(n)= number of integer points (i,j,k) contained in a open ball of diameter n, centered at (1/2,0,0).
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0
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0, 0, 2, 10, 28, 60, 110, 174, 256, 368, 498, 682, 884, 1140, 1422, 1750, 2104, 2560, 3026, 3546, 4140, 4828, 5542, 6382, 7224, 8136, 9122, 10274, 11460, 12732, 14094, 15558, 17080, 18752, 20458, 22410, 24364, 26516, 28678, 31006, 33400
(list; graph; refs; listen; history; internal format)
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