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A223968型 |
| 平方数组T,用反对偶法读取:如果n-k>=5,或如果k-n>=6,T(4,0)=T(3,0)=T(2,0)=T(1,0)=T(0,0)=3(0,2)=T。 |
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9
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1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 5, 10, 10, 5, 0, 0, 6, 15, 20, 15, 5, 0, 0, 6, 21, 35, 35, 20, 0, 0, 0, 0, 27, 56, 70, 55, 20, 0, 0, 0, 0, 27, 83, 126, 125, 75, 0, 0, 0, 0, 0, 0, 110, 209, 251, 200, 75, 0, 0, 0, 0, 0, 0, 110, 319, 460, 451, 275, 0, 0, 0, 0, 0, 0, 0
(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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0,5
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链接
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配方奶粉
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例子
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方形数组开始:
1....1....1....1....1....1....0....0....0....0....0....0
1....2....3....4....5....6....6....0....0....0....0....0
1…3……6…10…15…21…27…27…0…0…0…0…0
1....4...10...20...35...56...83..110..110....0....0....0
1....5...15...35...70..126..209..319..429..429....0....0
0....5...20...55..125..251..460..779.1208.1637.1637....0
0....0...20...75..200..451..911.1690.2898.4535.6172.6172
...
按对角线读取的方形数组,省略0:
1, 5, 20, 75, 275, 1001, 3639, 13243, 48280, ...
1, 5, 20, 75, 275, 1001, 3639, 13243, 48280, ...
1, 4, 15, 55, 200, 726, 2638, 9604, 35037, ...
1、3、10、35、125、451、1637、5965、21794。。。
1, 2, 6, 20, 70, 251, 911, 3327, 12190, 44744, ...
1, 3, 10, 35, 126, 460, 1690, 6225, 22950, ...
1, 4, 15, 56, 209, 779, 2898, 10760, 39882, ...
1, 5, 21, 83, 319, 1208, 4535, 16932, 62986, ...
1, 6, 27, 110, 429, 1637, 6172, 23104, 86090, ...
1, 6, 27, 110, 429, 1637, 6172, 23104, 86090, ...
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交叉参考
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参考类似序列:A214846号,16054英镑,2016年2月,16210年2月,A216216号,A216218型,A216219型,A216220型,A216226号,A216228号,A216229号,A216230型,A216232型,A216235型,2016年2月36日,A216238型,A217257型,A217315型,A217593型,A217765型,217770英镑
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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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