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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 10 |
| 3 | 847 |
| 4 | 627382 |
| 5 | 4138659802 |
| 6 | 244829520301060 |
| 7 | 130191700295480695111 |
| 8 | 622829375926755523108996006 |
| 9 | 26812578369717035183629988539429726 |
| 10 | 10387976772168532331015929118843873280496300 |
[1,1,10,847,627382,4138659802,244829520301060, 130191700295480695111,622829375926755523108996006, 26812578369717035183629988539429726, 10387976772168532331015929118843873280496300] |