| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 33269343840 |
| 9 | 5543781696000 |
| 10 | 573092664283008 |
| 11 | 37980579083235840 |
| 12 | 1746784405567800720 |
| 13 | 59125380643147069440 |
| 14 | 1541346048771905554560 |
| 15 | 32083510011890343754752 |
| 16 | 548966364701814547477470 |
[1,0,0,0,0,0,0,0,33269343840,5543781696000, 573092664283008,37980579083235840, 1746784405567800720,59125380643147069440, 1541346048771905554560,32083510011890343754752, 548966364701814547477470] |