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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 58786 |
| 3 | 11377249621920 |
| 4 | 32371149339259024610992 |
| 5 | 4228135363283244543270651711564000 |
| 6 | 2507864854806378467366565303442444098886802152 |
[1,58786,11377249621920,32371149339259024610992, 4228135363283244543270651711564000, 2507864854806378467366565303442444098886802152] |