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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -5 |
| 3 | 83 |
| 4 | 16110 |
| 5 | -40097784 |
| 6 | -388036363380 |
| 7 | 82804198261002036 |
| 8 | 50475967918183333160880 |
| 9 | -711988160501968313699728393632 |
| 10 | -26438313284970847487368499812182785280 |
| 11 | 22571673265500745067336177578868612107537514880 |
[0,1,-5,83,16110,-40097784,-388036363380, 82804198261002036,50475967918183333160880, -711988160501968313699728393632, -26438313284970847487368499812182785280, 22571673265500745067336177578868612107537514880] |