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A295646
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Number of n X n 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1, 3 or 4 1's.
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0
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2, 11, 184, 8391, 1117226, 426233396, 468469936974, 1481365505094176, 13481259599060854448, 353057109477250625199058, 26608269052923054935486338857
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