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例子
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三角形开始:
1;
3, 3;
5, 3, 15;
7, 5, 3, 10;
9, 21, 15, 9, 105;
11, 9, 21, 3, 9, 231;
13, 11, 3, 7, 5, 3, 15015;
15, 39, 165, 9, 15, 5, 45, 2145;
17, 5, 13, 55, 9, 15, 15, 45, 36465;
19, 17, 5, 13, 55, 3, 35, 1, 5, 969969;
21, 57, 17, 21, 13, 33, 63, 7, 5, 63, 4849845;
等。
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