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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 10 |
| 4 | 93 |
| 5 | 2521 |
| 6 | 612696 |
| 7 | 4019900977 |
| 8 | 6409020585966267 |
| 9 | 67040619014505181883304178 |
| 10 | 1118048584563024433220786501983631190591549 |
| 11 | 195042693446883195450571898296824337898272003171567594807867055549521 |
[1,3,10,93,2521,612696,4019900977, 6409020585966267,67040619014505181883304178, 1118048584563024433220786501983631190591549, 19504269344688319545057189829682433789827200317156\ 7594807867055549521] |