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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 117600 |
| 3 | 292626432 |
| 4 | 428652000000 |
| 5 | 522217835532030 |
| 6 | 587312954081280000 |
| 7 | 633426582213424399722 |
| 8 | 665880333340217184000000 |
| 9 | 687776414074843514847584256 |
| 10 | 701129416495732552572667500000 |
| 11 | 707405677027691828669857196745186 |
[6,117600,292626432,428652000000,522217835532030, 587312954081280000,633426582213424399722, 665880333340217184000000, 687776414074843514847584256, 701129416495732552572667500000, 707405677027691828669857196745186] |