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A155283
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Number of ways to place zero or more nonadjacent 0,0 1,0 2,0 3,0 4,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid.
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0
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1, 13, 37, 190, 798, 5458, 43604, 402857, 5033744, 71523854, 1310467409, 28108624809
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