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A318548
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Number of nX4 0..1 arrays with every element unequal to 1, 2, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
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1
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2, 10, 21, 64, 219, 589, 1782, 5621, 17333, 54199, 169770, 532625, 1674674, 5267287, 16571936, 52167148, 164217643, 517100360, 1628230629, 5127481455, 16147257228, 50851033975, 160145034188, 504341598687, 1588336701913, 5002186675765
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