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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 425 |
| 3 | 142167 |
| 4 | 23912553 |
| 5 | 3742207236 |
| 6 | 643689050030 |
| 7 | 112737045408576 |
| 8 | 19611990609779478 |
| 9 | 3420412211064805056 |
| 10 | 598821942388221971705 |
| 11 | 104926823302871150129636 |
| 12 | 18385629169540586971804768 |
[1,425,142167,23912553,3742207236,643689050030, 112737045408576,19611990609779478, 3420412211064805056,598821942388221971705, 104926823302871150129636, 18385629169540586971804768] |