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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 43 |
| 3 | 9451 |
| 4 | 6031627 |
| 5 | 6571985126 |
| 6 | 9140730357409 |
| 7 | 14801600281919487 |
| 8 | 26927918031565051915 |
| 9 | 53804800109969394477580 |
| 10 | 116002825041515533807200418 |
| 11 | 266118189111094898593879923346 |
| 12 | 642598035707739308769581970619393 |
[1,43,9451,6031627,6571985126,9140730357409, 14801600281919487,26927918031565051915, 53804800109969394477580, 116002825041515533807200418, 266118189111094898593879923346, 642598035707739308769581970619393] |