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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 13 |
| 3 | 313 |
| 4 | 52891 |
| 5 | 30554141 |
| 6 | 89011081055 |
| 7 | 1243751028948305 |
| 8 | 70334570607769968970 |
| 9 | 23735285427941643311618345 |
| 10 | 27755772992017058140287194221448 |
| 11 | 226477787759401129853705684271059207073 |
| 12 | 5698414152656591747538959168064394745850705494 |
[1,13,313,52891,30554141,89011081055, 1243751028948305,70334570607769968970, 23735285427941643311618345, 27755772992017058140287194221448, 226477787759401129853705684271059207073, 5698414152656591747538959168064394745850705494] |