| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1092000 |
| 4 | 812652750 |
| 5 | 137687921280 |
| 6 | -18901550304000 |
| 7 | -41392481221728000 |
| 8 | -22579382531877444000 |
| 9 | -4757955959922389952000 |
| 10 | 1353302426315369501637120 |
| 11 | 1905092084151861771102300000 |
| 12 | 927128194726105837069347288000 |
[1,0,0,1092000,812652750,137687921280, -18901550304000,-41392481221728000, -22579382531877444000,-4757955959922389952000, 1353302426315369501637120, 1905092084151861771102300000, 927128194726105837069347288000] |