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A155417
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Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 3,2 4,2 5,3 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, 103, 427, 2227, 11583, 57485, 387397, 3244887, 30976146, 318914841
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