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A154085
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Number of planar triangular n X n X n nonnegative integer grids symmetric under 120 degree rotation with every similarly oriented 5 X 5 X 5 subtriangle summing to 12.
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0
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70, 480, 2928, 2735, 3045, 14039, 12442, 4685, 25484, 7105, 3050
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OFFSET
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5,1
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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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