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例子
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A(1,3)=5:[(1,1,1)],[(1,1,0),(0,0,1)],[1,0,1,(0,1,0)],[C,0,0)(0,1,1),[0,1,1),(1,0,0。
A(3,2)=17:[(3,3)],[(3,1),(0,3)][(3.2),(0,1)],(2,3),(1,0)],[3,1,(0,1)],【(2,2),(1,1)】,【(1,3),,[(2,1),(0,2),(1,0)],[(1,2)。
方阵A(n,k)开始:
1, 1, 1, 1, 1, 1, 1, ...
1, 1, 2, 5, 15, 52, 203, ...
1, 1, 5, 40, 457, 6995, 136771, ...
1, 2, 17, 364, 14595, 937776, 88507276, ...
1, 2, 46, 2897, 407287, 107652681, ...
1, 3, 123, 21369, 10200931, 10781201973, ...
1, 4, 323, 148257, 233051939, ...
1, 5, 809, 970246, 4909342744, ...
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