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A155376
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Number of ways to place zero or more nonadjacent 1,1 2,0 2,1 3,1 3,2 4,1 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 19, 37, 153, 637, 2307, 11243, 74510, 497944, 3748694, 35838488, 378887007, 4442870787
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