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A353593型 |
| 按行读取三角形。tetranacci数的Riordan平方(A000078). |
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1
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1, 1, 1, 2, 3, 1, 4, 8, 5, 1, 8, 20, 18, 7, 1, 15, 47, 56, 32, 9, 1, 29, 107, 158, 120, 50, 11, 1, 56, 238, 419, 397, 220, 72, 13, 1, 108, 520, 1063, 1207, 836, 364, 98, 15, 1, 208, 1120, 2608, 3452, 2871, 1563, 560, 128, 17, 1, 401, 2386, 6233, 9424, 9153, 5987, 2682, 816, 162, 19, 1
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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偏移
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0,4
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评论
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链接
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例子
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三角形开始:
[0] 1;
[1] 1, 1;
[2] 2, 3, 1;
[3] 4, 8, 5, 1;
[4] 8, 20, 18, 7, 1;
[5] 15, 47, 56, 32, 9, 1;
[6] 29, 107, 158, 120, 50, 11, 1;
[7] 56, 238, 419, 397, 220, 72, 13, 1;
[8] 108, 520, 1063, 1207, 836, 364, 98, 15, 1;
[9] 208, 1120, 2608, 3452, 2871, 1563, 560, 128, 17, 1.
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MAPLE公司
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RiordanSquare(1/(1-x-x^2-x^3-x^4),10);
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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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