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| n | a(n) |
|---|---|
| 1 | 113400 |
| 2 | 3930730108200 |
| 3 | 369820640830881240000 |
| 4 | 54918587341306311174536985000 |
| 5 | 10585995418849686886860491452609238400 |
| 6 | 2415977451999318332950627138384873223959560000 |
[113400,3930730108200,369820640830881240000, 54918587341306311174536985000, 10585995418849686886860491452609238400, 2415977451999318332950627138384873223959560000] |