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A230472
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Number of 4Xn 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero
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1
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0, 8, 1384, 76518, 3062214, 131421154, 5660619846, 245148922672, 10602405238156, 458539032665354, 19829852540702200, 857572844510153520, 37087106370781509158, 1603891953715654451316, 69362889010577734405252
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