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| n | a(n) |
|---|---|
| 2 | 870 |
| 3 | 378 |
| 4 | 107827277891825604 |
| 5 | 178101 |
| 6 | 594839010 |
| 7 | 275223438741 |
| 8 | 26584448904822018 |
| 9 | 40373802 |
| 10 | 420707243066850 |
| 11 | 952809806744100 |
[870,378,107827277891825604,178101,594839010, 275223438741,26584448904822018,40373802, 420707243066850,952809806744100] |