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A155399
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Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,0 4,1 5,1 6,0 6,1 polyhexes in any orientation on a planar n X n X n triangular grid.
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0
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1, 7, 19, 43, 239, 1041, 3863, 18481, 111137, 720077, 5291974, 48305684
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