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例子
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1 = 1/2 + 1/6 + 1/6 + 1/6 = 1/3 + 1/3 + 1/6 + 1/6 = 1/3 + 1/4 + 1/4 + 1/6. 所以T(6,4)=3。
三角形开始:
否| 1 2 3 4 5 6 7 8 9 10 11 12
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1 | 1;
2 | 0, 1;
3 | 0, 0, 1;
4 | 0, 0, 1, 1;
5 | 0, 0, 0, 0, 1;
6 | 0, 0, 1, 3, 2, 1;
7 | 0, 0, 0, 0, 0, 0, 1;
8 | 0, 0, 0, 1, 3, 3, 2, 1;
9 | 0, 0, 0, 0, 2, 2, 3, 2, 1;
10 | 0, 0, 0, 1, 3, 6, 7, 5, 3, 1;
11 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1;
12 | 0, 0, 0, 3, 8, 15, 21, 24, 20, 11, 4, 1;
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