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A226558
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Number of equilateral triangles with coordinates (w,x,y,z) in the set {0, 1,...,n}.
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1
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64, 1984, 23232, 153824, 724352, 2661504, 8208640, 22114304, 53570368, 119129856, 246971072, 482429024, 896290944, 1594476160, 2732250688, 4529267712, 7292346816, 11438236320, 17528382400, 26300206624
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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