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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -8 |
| 3 | 211 |
| 4 | -11108 |
| 5 | 985501 |
| 6 | -132845558 |
| 7 | 25350487891 |
| 8 | -6508214949608 |
| 9 | 2163722040149881 |
| 10 | -904419413432969258 |
| 11 | 464250155924655691471 |
| 12 | -287099441049791660680508 |
| 13 | 210529197284459655378072661 |
| 14 | -180624991973581098090900739358 |
| 15 | 179251232453786124708955804893451 |
[0,1,-8,211,-11108,985501,-132845558,25350487891, -6508214949608,2163722040149881, -904419413432969258,464250155924655691471, -287099441049791660680508, 210529197284459655378072661, -180624991973581098090900739358, 179251232453786124708955804893451] |