搜索: 编号:a233292
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A233292型
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| 按行读取的三角形:T(n,k)是将n划分为最多四个部分的数量,其中没有任何部分超过k,0<=k<=n。 |
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+0 1
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1, 0, 1, 0, 1, 2, 0, 1, 2, 3, 0, 1, 3, 4, 5, 0, 0, 2, 4, 5, 6, 0, 0, 2, 5, 7, 8, 9, 0, 0, 1, 4, 7, 9, 10, 11, 0, 0, 1, 4, 8, 11, 13, 14, 15, 0, 0, 0, 3, 7, 11, 14, 16, 17, 18, 0, 0, 0, 2, 7, 12, 16, 19, 21, 22, 23, 0, 0, 0, 1, 5, 11, 16, 20, 23, 25, 26, 27, 0, 0, 0, 1, 5, 11, 18, 23, 27, 30, 32, 33, 34
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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0,6
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配方奶粉
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例子
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三角形T(n,k)开始于:
1;
0, 1;
0, 1, 2;
0, 1, 2, 3;
0, 1, 3, 4, 5;
0, 0, 2, 4, 5, 6;
0, 0, 2, 5, 7, 8, 9;
0, 0, 1, 4, 7, 9, 10, 11;
0, 0, 1, 4, 8, 11, 13, 14, 15; ...
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经核准的
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