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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 5 |
| 6 | 101 |
| 7 | 1020101 |
| 8 | 132690278976255013 |
| 9 | 37379828474243017116309068570169440106423243719554 |
[1,1,1,1,2,5,101,1020101,132690278976255013, 37379828474243017116309068570169440106423243719554\ ] |