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A297763
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Number of 2Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2, 3 or 4 neighboring 1s.
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1
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1, 2, 12, 31, 78, 225, 733, 2305, 7156, 22388, 70737, 223576, 705927, 2229237, 7044181, 22263130, 70360408, 222365159, 702781362, 2221173901, 7020142785, 22187534409, 70124998492, 221634512416, 700490315089, 2213945357924
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