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A155448
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Number of ways to place zero or more nonadjacent 2,0 3,1 4,2 4,3 4,4 5,2 6,2 7,2 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 19, 37, 61, 198, 925, 4932, 25307, 120759, 705438, 5070257, 44891211, 447175598, 4812407060, 57607358493
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