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A302145
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Number of n X n 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero.
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1
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1, 1, 4, 17, 289, 15999, 1728734, 476725579, 338788296901, 600144995821877, 2721126689318370799, 31005436248594896441733, 885614872309613750483721526, 63247599647658758935122240950370, 11261549689102506355299411976654023890
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