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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 8 |
| 2 | 169 |
| 3 | 2371 |
| 4 | 25059 |
| 5 | 655974 |
| 6 | 57509995 |
| 7 | 1616756446 |
| 8 | 28550646649 |
| 9 | 442195486325 |
| 10 | -2830020810398 |
| 11 | 208945571225276 |
| 12 | 11214798494956489 |
| 13 | 307494657722438109 |
| 14 | 8565236469871178577 |
[0,8,169,2371,25059,655974,57509995,1616756446, 28550646649,442195486325,-2830020810398, 208945571225276,11214798494956489, 307494657722438109,8565236469871178577] |