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| n | a(n) |
|---|---|
| 1 | 568 |
| 2 | 40380 |
| 3 | 22935840 |
| 4 | 6578580741 |
| 5 | 4148524583552 |
| 6 | 1726991116346936 |
| 7 | 1085230897885735392 |
| 8 | 515916486281448877215 |
| 9 | 317979410833372586944592 |
[568,40380,22935840,6578580741,4148524583552, 1726991116346936,1085230897885735392, 515916486281448877215,317979410833372586944592] |