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搜索: 编号:a210544
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    排序:关联|参考文献||被改进的|创建     格式:长的|短的|数据
A210544型 值i>0的n个非负整数数组的数量仅在i-1出现至少7次后出现 +0个
1
1, 1, 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 64, 128, 257, 524, 1106, 2470, 5924, 15262, 41690, 118595, 345861, 1023028, 3050590, 9146312, 27567958, 83678750, 256632743, 798853376, 2537255097, 8264988956, 27723246374, 95941707086, 342355797248 (列表;图表;参考;;历史;文本;内部格式)
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第7列,共列A210545型
链接
配方奶粉
如果n<=7,则a(n)=1,否则求和{i=0..n-7}(二项式(n-7,i)*a(i))
例子
n=19的一些解
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0…..0…..0…..0…..0…..0…..0…..0…..0…..0…..0…..0…..0…..0…..0…..0…..0
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..0....1....1....0....1....1....0....1....1....1....1....0....1....0....0....0
..1....1....0....0....0....1....1....0....0....1....1....1....0....1....1....1
..1....0....1....1....1....0....1....0....0....1....0....0....0....1....0....1
..0....1....0....0....0....1....1....0....1....1....1....1....0....1....1....1
..0....0....1....0....1....0....1....0....1....0....1....0....0....1....1....0
..1....0....0....1....1....1....0....0....0....1....1....0....1....1....1....0
..0....1....1....0....1....1....0....0....0....1....1....1....0....1....1....0
..0…..1…..1…..0…..1…..0…..0…..1…..0…..0…..1…..0…..1…..1
..1....1....1....1....0....1....0....0....1....1....2....1....1....0....1....0
..1....1....1....1....0....2....0....0....0....1....1....1....1....0....2....1
..0....0....1....1....1....1....0....0....1....0....1....1....0....1....2....1
..0....1....1....1....0....2....1....1....1....0....0....0....1....1....2....1
关键词
非n
作者
R.H.哈丁,R.J.Mathar在序列粉丝邮件列表中证明的公式,2012年3月22日
状态
经核准的
第页1

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