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1, 1, 2, 1, 4, 4, 1, 6, 12, 7, 1, 8, 24, 28, 12, 1, 10, 40, 70, 60, 13, 1, 12, 60, 140, 180, 78, 14, 1, 14, 84, 245, 420, 273, 98, 15, 1, 16, 112, 392, 840, 728, 392, 120, 16, 1, 18, 144, 588, 1512, 1638, 1176, 540, 144, 18
(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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1,3
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评论
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右边框=A052474号: (1, 2, 4, 7, 12, 13, 14, 15, 16, 18, 20, ...).
行总和=A057153号: (1, 3, 9, 26, 73, 194, 485, 1150, ...).
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链接
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配方奶粉
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例子
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三角形的前几行:
1;
1, 2;
1, 4, 4;
1, 6, 12, 7;
1, 8, 24, 28, 12;
1, 10, 40, 70, 60, 13;
1, 12, 60, 140, 180, 78, 14;
...
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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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