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| A281965型 |
| 恰好由n个正整数组成的集合的数目<=n+2，具有平方元素和。 |
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2
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1, 1, 1, 2, 2, 2, 3, 4, 3, 3, 5, 4, 4, 5, 7, 5, 5, 9, 6, 6, 8, 9, 7, 7, 13, 8, 8, 12, 11, 9, 10, 15, 10, 10, 16, 13, 11, 14, 17, 12, 12, 20, 14, 13, 18, 19, 14, 15, 24, 15, 15, 22, 20, 16, 19, 26, 17, 17, 27, 20, 18, 23, 27, 19, 19, 33, 20, 20, 28, 27, 21, 23
(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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0,4
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链接
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配方奶粉
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例子
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a（7）=4:{1,2,3,6,7,8,9}，{1,2,4,5,7,8，9}、{1,3,4,5,1,8,9}、[2,3,4,1,6,7，9}。
a（8）=3:{1,2,3,4,5,6,7,8}，{1,3,5,6，7,8,9,10}，}。
a（9）=3:{1,2,3,4,5,6,7,10,11}，{1,2,2,4,56,8,9,11}。
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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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