The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 9 | 1 |
| 10 | -209715 |
| 11 | 58640578205 |
| 12 | -15135778281070755 |
| 13 | 3983313338565919030365 |
| 14 | -1043182954580986851130914723 |
| 15 | 273530932713230996784935699290205 |
| 16 | -71700116580663579186545558567554787235 |
| 17 | 18796042166858164201094703719132482337953885 |
[1,-209715,58640578205,-15135778281070755, 3983313338565919030365, -1043182954580986851130914723, 273530932713230996784935699290205, -71700116580663579186545558567554787235, 18796042166858164201094703719132482337953885] |