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| n | a(n) |
|---|---|
| 0 | 384 |
| 1 | 7680 |
| 2 | 368640 |
| 3 | 30965760 |
| 4 | 3963617280 |
| 5 | 713451110400 |
| 6 | 171228266496000 |
| 7 | 52738306080768000 |
| 8 | 20251509535014912000 |
| 9 | 9477706462386978816000 |
| 10 | 5307515618936708136960000 |
| 11 | 3502960308498227370393600000 |
[384,7680,368640,30965760,3963617280,713451110400, 171228266496000,52738306080768000, 20251509535014912000,9477706462386978816000, 5307515618936708136960000, 3502960308498227370393600000] |