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A110102年 |
| 系数三角形基于A000931号:a(n)=a(n-2)+a(n-3);t(n,m):=a(n-m+1)*a(m+1)。 |
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1, 1, 1, 2, 1, 2, 2, 2, 2, 2, 3, 2, 4, 2, 3, 4, 3, 4, 4, 3, 4, 5, 4, 6, 4, 6, 4, 5, 7, 5, 8, 6, 6, 8, 5, 7, 9, 7, 10, 8, 9, 8, 10, 7, 9, 12, 9, 14, 10, 12, 12, 10, 14, 9, 12, 16, 12, 18, 14, 15, 16, 15, 14, 18, 12, 16
(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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1,4
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评论
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行总和为:
{1, 2, 5, 8, 14, 22, 34, 52, 77, 114, 166}
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链接
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配方奶粉
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a(n)=a(n-2)+a(n-3);t(n,m):=a(n-m+1)*a(m+1)。
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例子
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{1},
{1, 1},
{2, 1, 2},
{2, 2, 2, 2},
{3, 2, 4, 2, 3},
{4, 3, 4, 4, 3, 4},
{5, 4, 6, 4, 6, 4, 5},
{7, 5, 8, 6, 6, 8, 5, 7},
{9, 7, 10, 8, 9, 8, 10, 7, 9},
{12, 9, 14, 10, 12, 12, 10, 14, 9, 12},
{16, 12, 18, 14, 15, 16, 15, 14, 18, 12, 16}
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数学
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清除[t,a,n,m]a[0]=1;a[1]=1;a[2]=1;a[n]:=a[n]=a[n-2]+a[n-3];t[n,m]:=a[(n-m+1)]*a[(m+1)];表[表[t[n,m],{m,0,n}],{n,0,10}];压扁[%]
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交叉参考
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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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