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| n | a(n) |
|---|---|
| 1 | 132 |
| 2 | 264 |
| 3 | 396 |
| 4 | 35964 |
| 5 | 4799520 |
| 6 | 839991600 |
| 7 | 1511984880 |
| 8 | 332639667360 |
| 9 | 86486391351360 |
| 10 | 151351184864880 |
| 11 | 46126079538739200 |
| 12 | 27427196132572803840 |
| 13 | 18050376958194962304000 |
| 14 | 7828706350001712936499200 |
| 15 | 8540406927274595930726400 |
[132,264,396,35964,4799520,839991600,1511984880, 332639667360,86486391351360,151351184864880, 46126079538739200,27427196132572803840, 18050376958194962304000,7828706350001712936499200, 8540406927274595930726400] |