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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 321 |
| 3 | 688679 |
| 4 | 648399312079 |
| 5 | 795011217364419041371938 |
| 6 | 378887020322265448186183258957408252353018723756 |
[10,321,688679,648399312079, 795011217364419041371938, 378887020322265448186183258957408252353018723756] |