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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | -12 |
| 2 | 488 |
| 3 | -48608 |
| 4 | 9080960 |
| 5 | -2722798848 |
| 6 | 1197871592448 |
| 7 | -726520846829568 |
| 8 | 581088281306562560 |
| 9 | -592572418222512668672 |
| 10 | 750419972539476482195456 |
| 11 | -1155381150026866713259671552 |
| 12 | 2125413346746653166067846742016 |
[2,-12,488,-48608,9080960,-2722798848, 1197871592448,-726520846829568,581088281306562560, -592572418222512668672,750419972539476482195456, -1155381150026866713259671552, 2125413346746653166067846742016] |