The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 4 |
| 1 | 0 |
| 2 | 544 |
| 3 | -17920 |
| 4 | 707584 |
| 5 | -149360640 |
| 6 | 5242548224 |
| 7 | -2782416732160 |
| 8 | 166243180478464 |
| 9 | -109528131284500480 |
| 10 | 13239205658628194304 |
| 11 | -8328889253838297497600 |
| 12 | 1938205426199431158431744 |
[4,0,544,-17920,707584,-149360640,5242548224, -2782416732160,166243180478464, -109528131284500480,13239205658628194304, -8328889253838297497600,1938205426199431158431744] |