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A295246
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Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1's.
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0
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2, 11, 183, 8271, 1081924, 403318354, 430246838462, 1312008367581053, 11440395910000265070, 285225326541505567932583, 20332459513033508982984463884
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