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| n | a(n) |
|---|---|
| 0 | 3840 |
| 1 | 92160 |
| 2 | 5160960 |
| 3 | 495452160 |
| 4 | 71345111040 |
| 5 | 14269022208000 |
| 6 | 3767021862912000 |
| 7 | 1265719345938432000 |
| 8 | 526539247910387712000 |
| 9 | 265375780946835406848000 |
| 10 | 159225468568101244108800000 |
[3840,92160,5160960,495452160,71345111040, 14269022208000,3767021862912000, 1265719345938432000,526539247910387712000, 265375780946835406848000, 159225468568101244108800000] |