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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 64 |
| 3 | 3403 |
| 4 | 355883 |
| 5 | 32924133 |
| 6 | 3287610473 |
| 7 | 319803318494 |
| 8 | 31411054258761 |
| 9 | 3063698245151388 |
[1,64,3403,355883,32924133,3287610473, 319803318494,31411054258761,3063698245151388] |