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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 5208 |
| 4 | 264771 |
| 5 | 9275448 |
| 6 | 105399504 |
| 7 | -6731254440 |
| 8 | -553692038004 |
| 9 | -21802507065864 |
| 10 | -400684321812096 |
| 11 | 12872305942604280 |
| 12 | 1485636235823593980 |
| 13 | 69288912971916416856 |
| 14 | 1651037314634527670096 |
| 15 | -22551727588731476610888 |
| 16 | -4467328894885460428544076 |
[1,0,0,5208,264771,9275448,105399504,-6731254440, -553692038004,-21802507065864,-400684321812096, 12872305942604280,1485636235823593980, 69288912971916416856,1651037314634527670096, -22551727588731476610888, -4467328894885460428544076] |