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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 56 |
| 3 | 19208 |
| 4 | 40356008 |
| 5 | 519359253560 |
| 6 | 40941262367510120 |
| 7 | 19769162164304264642504 |
| 8 | 58472138404795144043227508456 |
| 9 | 1059359506545823729966428034297457864 |
| 10 | 117563210619769003021098235186555283816605208 |
[1,56,19208,40356008,519359253560, 40941262367510120,19769162164304264642504, 58472138404795144043227508456, 1059359506545823729966428034297457864, 117563210619769003021098235186555283816605208] |