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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -369 |
| 3 | -9408 |
| 4 | 22853743 |
| 5 | 4794451200 |
| 6 | -3085237931328 |
| 7 | -819499646151424 |
| 8 | 384739275624398865 |
| 9 | 158606464687370095617 |
| 10 | -50143660099205286196800 |
| 11 | -29592112124024539896414528 |
| 12 | 6061193531453485412550560256 |
| 13 | 5483327637634568394533944708352 |
[0,1,-369,-9408,22853743,4794451200, -3085237931328,-819499646151424, 384739275624398865,158606464687370095617, -50143660099205286196800, -29592112124024539896414528, 6061193531453485412550560256, 5483327637634568394533944708352] |