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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 17 |
| 3 | 11 |
| 4 | 5 |
| 5 | 7 |
| 6 | 2543 |
| 7 | 249217 |
| 8 | 1783841 |
| 9 | 2494517 |
| 10 | 624921844601 |
| 11 | 507995698619 |
[1,2,17,11,5,7,2543,249217,1783841,2494517, 624921844601,507995698619] |