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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 15625 |
| 6 | 7 |
| 7 | 72 |
| 8 | 10 |
| 9 | 313842837672 |
| 10 | 393737638569928 |
| 11 | 240 |
| 12 | 17 |
| 13 | 14164706907106753527152640 |
[1,2,3,4,15625,7,72,10,313842837672, 393737638569928,240,17,14164706907106753527152640] |