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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 19 |
| 2 | 799 |
| 3 | 57527 |
| 4 | 6327971 |
| 5 | 987163475 |
| 6 | 207304329751 |
| 7 | 56386777692271 |
| 8 | 19284277970756683 |
| 9 | 8099396747717806859 |
| 10 | 4098294754345210270655 |
| 11 | 2458976852607126162392999 |
| 12 | 1726201750530202565999885299 |
| 13 | 1401675821430524483591906862787 |
[1,19,799,57527,6327971,987163475,207304329751, 56386777692271,19284277970756683, 8099396747717806859,4098294754345210270655, 2458976852607126162392999, 1726201750530202565999885299, 1401675821430524483591906862787] |