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| n | a(n) |
|---|---|
| 1 | 24 |
| 2 | 216 |
| 3 | 576 |
| 4 | 576 |
| 5 | 161280 |
| 6 | 283046400 |
| 7 | 782137036800 |
| 8 | 3563924952268800 |
| 9 | 25315180943034286080 |
| 10 | 269169718618593283276800 |
| 11 | 4137679434467601752260608000 |
| 12 | 89264433387042486497787641856000 |
[24,216,576,576,161280,283046400,782137036800, 3563924952268800,25315180943034286080, 269169718618593283276800, 4137679434467601752260608000, 89264433387042486497787641856000] |