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A154070
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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 8.
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0
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0, 115, 429, 0, 276, 892, 0, 186, 651, 0, 55, 198, 0, 20, 0
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OFFSET
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5,2
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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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