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A155379
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Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 2,1 3,1 3,2 4,2 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 7, 19, 37, 100, 521, 3034, 15439, 84733, 680192, 6722018, 71127189, 839682580, 12147844032
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