OEIS由OEIS基金会的许多慷慨捐赠者.
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| | | | | | | | | | | 三 | | 三 |
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| | | | | | | | | | 4 | | 6 | | 4 |
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| | | | | | | | | 5 | | 10 | | 10 | | 5 |
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| | | | | | | | 6 | | 15 | | 20 | | 15 | | 6 |
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| | | | | | | 7 | | 21 | | 35 | | 35 | | 21 | | 7 |
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| | | | | | 8 | | 28 | | 56 | | 70 | | 56 | | 28 | | 8 |
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| | | | | 9 | | 36 | | 84 | | 126 | | 126 | | 84 | | 36 | | 9 |
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| | | | 10 | | 45 | | 120 | | 210 | | 252 | | 210 | | 120 | | 45 | | 10 |
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| | | 11 | | 55 | | 165 | | 330 | | 462 | | 462 | | 330 | | 165 | | 55 | | 11 |
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| | 12 | | 66 | | 220 | | 495 | | 792 | | 924 | | 792 | | 495 | | 220 | | 66 | | 12 |
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| 13 | | 78 |
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| 2 | 三 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 三 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66 | 78 |
| 4 | 10 | 20 | 35 | 56 | 84 | 120 | 165 | 220 |
| 5 | 15 | 35 | 70 | 126 | 210 | 330 | 495 |
| 6 | 21 | 56 | 126 | 252 | 462 | 792 |
| 7 | 28 | 84 | 210 | 462 | 924 |
| 8 | 36 | 120 | 330 | 792 |
| 9 | 45 | 165 | 495 |
| 10 | 55 | 220 |
| 11 | 66 |
| 12 |
| 2 | 三 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 三 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55 | 66 | 78 |
| | 4 | 10 | 20 | 35 | 56 | 84 | 120 | 165 | 220 |
| | | 5 | 15 | 35 | 70 | 126 | 210 | 330 | 495 |
| | | | 6 | 21 | 56 | 126 | 252 | 462 | 792 |
| | | | | 7 | 28 | 84 | 210 | 462 | 924 |
| | | | | | 8 | 36 | 120 | 330 | 792 |
| | | | | | | 9 | 45 | 165 | 495 |
| | | | | | | | 10 | 55 | 220 |
| | | | | | | | | 11 | 66 |
| | | | | | | | | | 12 |
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