搜索: 编号:a303138
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A303138型
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| 正则三角形,其中T(n,k)是n的具有最大公约数k的严格整数划分数。 |
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+0 7
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1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 2, 0, 0, 0, 1, 2, 1, 0, 0, 0, 1, 4, 0, 0, 0, 0, 0, 1, 4, 1, 0, 0, 0, 0, 0, 1, 6, 0, 1, 0, 0, 0, 0, 0, 1, 7, 2, 0, 0, 0, 0, 0, 0, 0, 1, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 10, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 17, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 23, 0, 2, 0, 1
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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抵消
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1,11
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链接
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配方奶粉
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例子
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三角形开始:
01:1
02: 0 1
03: 1 0 1
04: 1 0 0 1
05: 2 0 0 0 1
06: 2 1 0 0 0 1
07: 4 0 0 0 0 0 1
08: 4 1 0 0 0 0 0 1
09: 6 0 1 0 0 0 0 0 1
10: 7 2 0 0 0 0 0 0 0 1
11: 11 0 0 0 0 0 0 0 0 0 1
12: 10 2 1 1 0 0 0 0 0 0 0 1
13: 17 0 0 0 0 0 0 0 0 0 0 0 1
14: 17 4 0 0 0 0 0 0 0 0 0 0 0 1
15: 23 0 2 0 1 0 0 0 0 0 0 0 0 0 1
第12行中统计的严格分区如下。
T(12,1)=10:(11,1)(9,2.1)(8,3,1)(7,5)(7,4,1)(7,3,2)(6,5,1)(6,3,2,1)(5,4,3)(5,4,2,1)
T(12,2)=2:(10,2)(6,4,2)
T(12.3)=1:(9.3)
T(12.4)=1:(8.4)
T(12,12)=1:(12)
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数学
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表[Length[Select[Integer Partitions[n],UnsameQ@@#&GCD@@#==k&]],{n,15},{k,n}]
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交叉参考
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囊性纤维变性。A000009号,A000837号,A018783号,A051424号,A117408号,A168532号,A289508型,A289509型,A298748型,A300486型,A302698型,A302796型,A303139型,A303140型,A303280型。
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关键词
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作者
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状态
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经核准的
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