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| A174693号 |
| 对称三角形序列：t（n，m）=n*二项式[n，m]*欧拉式[n+1，m]-n！+1 |
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1, 1, 1, 1, 15, 1, 1, 193, 193, 1, 1, 2473, 9481, 2473, 1, 1, 34081, 362281, 362281, 34081, 1, 1, 517681, 12862081, 34789681, 12862081, 517681, 1, 1, 8709121, 454366081, 2755186561, 2755186561, 454366081, 8709121, 1, 1, 161884801
(列表;桌子;图表;参考文献;听;历史;文本;内部格式)
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抵消
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0,5
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评论
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行和为：
{1, 2, 17, 388, 14429, 792726, 61549207, 6436523528, 872588545929,
148833116409610, 31190020579065611,...}.
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链接
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配方奶粉
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t（n，m）=n*二项式[n，m]*欧拉式[n+1，m]-n！+1
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例子
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{1},
{1，
{1, 15, 1},
{1, 193, 193, 1},
{1, 2473, 9481, 2473, 1},
{1, 34081, 362281, 362281, 34081, 1},
{1, 517681, 12862081, 34789681, 12862081, 517681, 1},
{1, 8709121, 454366081, 2755186561, 2755186561, 454366081, 8709121, 1},
{1, 161884801, 16491807361, 199225272961, 440830615681, 199225272961, 16491807361, 161884801, 1},
{1, 3308014081, 624966088321, 13875125765761, 59913158336641, 59913158336641, 13875125765761, 624966088321, 3308014081, 1},
{1, 73878739201, 24925007923201, 959522066899201, 7420910293843201, 14379158084256001, 7420910293843201, 959522066899201, 24925007923201, 73878739201, 1}
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数学
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<<离散数学`组合数学`
t[n，m]=n*二项式[n，m]*欧拉式[n+1，m]-n！+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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