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A155425
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Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 3,3 4,2 5,2 6,3 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 19, 37, 94, 289, 1342, 7169, 33736, 187935, 1191407, 9471948, 87427106, 862847938
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