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例子
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方阵A(n,k)开始于:
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ...
1, 1, 1, 0, 0, 0, 0, 0, 0, 0, ...
0, 0, 1, 1, 1, 1, 1, 0, 0, 0, ...
0, 0, 1, 3, 4, 2, 4, 1, 1, 1, ...
0, 0, 1, 6, 11, 6, 11, 4, 5, 5, ...
0, 0, 1, 10, 26, 16, 26, 15, 21, 17, ...
0, 0, 1, 15, 57, 45, 57, 50, 78, 54, ...
0, 0, 1, 21, 120, 126, 120, 161, 274, 177, ...
0, 0, 1, 28, 247, 357, 247, 504, 927, 594, ...
0, 0, 1, 36, 502, 1016, 502, 1554, 3061, 1997, ...
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