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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 166 |
| 3 | 31410 |
| 4 | 1488168 |
| 5 | 60084175 |
| 6 | 2098456730 |
| 7 | 66997966477 |
| 8 | 2020027689730 |
| 9 | 58434162686355 |
| 10 | 1637903530180186 |
| 11 | 44791173913543967 |
| 12 | 1200802011978402848 |
| 13 | 31669820213104609476 |
| 14 | 823877680347705496354 |
| 15 | 21184217308519554802417 |
[0,166,31410,1488168,60084175,2098456730, 66997966477,2020027689730,58434162686355, 1637903530180186,44791173913543967, 1200802011978402848,31669820213104609476, 823877680347705496354,21184217308519554802417] |