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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -432 |
| 2 | 41472 |
| 3 | -19704384 |
| 4 | 593104896 |
| 5 | -1488746462112 |
| 6 | -215673487239168 |
| 7 | -180545262418802304 |
| 8 | -58940991594820435968 |
| 9 | -31030127172303490499184 |
| 10 | -13143520096697989968012288 |
| 11 | -6336110261914309914844683456 |
[1,-432,41472,-19704384,593104896,-1488746462112, -215673487239168,-180545262418802304, -58940991594820435968,-31030127172303490499184, -13143520096697989968012288, -6336110261914309914844683456] |