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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 33 |
| 4 | 939 |
| 5 | 101175 |
| 6 | 26230876 |
| 7 | 21032800086 |
| 8 | 48319626581926 |
| 9 | 319633065306440005 |
| 10 | 6299181667747767151873 |
| 11 | 359980854813102654362716667 |
| 12 | 60552379844778585329083453881153 |
| 13 | 30125614945616982039421647789900799744 |
| 14 | 43971297878008421196972637327280065832735828 |
[1,1,2,33,939,101175,26230876,21032800086, 48319626581926,319633065306440005, 6299181667747767151873, 359980854813102654362716667, 60552379844778585329083453881153, 30125614945616982039421647789900799744, 43971297878008421196972637327280065832735828] |