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A155405
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Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,2 3,3 4,1 4,2 5,3 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 19, 37, 61, 179, 1570, 9884, 43279, 162911, 1062503, 13577598, 173995382, 1740580398, 16367827293, 223104829665, 4754997792283, 115851743032210
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