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例子
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三角形的开头为:
1;
5, 2;
14、7、6;
126, 54, 54, 24;
594, 297, 264, 132, 120;
7722, 3432, 3432, 1560, 1560, 720;
51480, 25740, 23400, 11700, 10800, 5400, 5040;
875160, 397800, 397800, 183600, 183600, 85680, 85680, 40320;
7558200, 3779100, 3488400, 1744200, 1627920, 813960, 766080, 383040, 362880;
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