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A210945型 |
| 行读取的三角形:T(n,k)=n分区最后一个壳的镜像的第k列中的零件数。 |
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5
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1, 2, 3, 5, 1, 7, 1, 11, 3, 1, 15, 3, 1, 22, 6, 3, 1, 30, 7, 4, 1, 42, 11, 7, 3, 1, 56, 13, 9, 4, 1, 77, 20, 15, 8, 3, 1, 101, 23, 18, 10, 4, 1, 135, 33, 27, 17, 8, 3, 1, 176, 40, 34, 22, 11, 4, 1, 231, 54, 47, 33, 18, 8, 3, 1, 297, 65, 58, 42, 24, 11, 4, 1
(列表;图表;参考;听;历史;文本;内部格式)
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抵消
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1,2
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评论
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链接
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例子
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对于n=7,图中显示了7分区最后一个外壳的两种布置:
.
. (7) (7)
. (4+3) (3+4)
. (5+2) (2+5)
. (3+2+2) (2+2+3)
. (1) (1)
.(1)(1)
. (1) (1)
. (1) (1)
. (1) (1)
. (1) (1)
. (1) (1)
. (1) (1)
. (1) (1)
. (1) (1)
. (1) (1)
. --------
. 15,3,1
.
我们可以看到,在右边的图片(镜子)中,第1..3列的零件数为15、3、1,因此第7行列出了15、3和1。
以三角形开头:
1;
2;
3;
5, 1;
7,1;
11, 3, 1;
15, 3, 1;
22, 6, 3, 1;
30, 7, 4, 1;
42, 11, 7, 3, 1;
56, 13, 9, 4, 1;
77, 20, 15, 8, 3, 1;
101, 23, 18, 10, 4, 1;
135, 33, 27, 17, 8, 3, 1;
176, 40, 34, 22, 11, 4, 1;
231, 54, 47, 33, 18, 8, 3, 1;
297, 65, 58, 42, 24, 11, 4, 1;
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交叉参考
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关键词
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非n,标签
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作者
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扩展
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状态
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经核准的
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