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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 174 |
| 4 | 2265024 |
| 5 | 7946203275000 |
| 6 | 12229789732207993835280 |
| 7 | 12202002913678756821228939869239920 |
| 8 | 10937192762438008527903830198163831816546577931520 |
| 9 | 11655577382287102750765311537460065620507094071664576111302628243840 |
[1,1,2,174,2265024,7946203275000, 12229789732207993835280, 12202002913678756821228939869239920, 10937192762438008527903830198163831816546577931520\ , 11655577382287102750765311537460065620507094071664\ 576111302628243840] |