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A155336
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Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,0 4,1 5,2 5,3 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 19, 43, 112, 333, 1722, 11278, 66471, 421203, 3100169, 28603780, 333898461, 4399044128, 64174608851
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