| n | a(n) |
|---|---|
| 0 | 108 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 900 |
| 5 | 2178 |
| 6 | -3672 |
| 7 | 0 |
| 8 | 14112 |
| 9 | 27000 |
| 10 | -18432 |
| 11 | -114444 |
| 12 | 290628 |
| 13 | 467856 |
| 14 | -354600 |
| 15 | -1479114 |
| 16 | 1768536 |
| 17 | 12073896 |
| 18 | -5861808 |
| 19 | -29193750 |
| 20 | 22900176 |
| 21 | 165214728 |
| 22 | 64153152 |
| 23 | -654007014 |
| 24 | 163350540 |
| 25 | 2795893038 |
[108,0,0,0,900,2178,-3672,0,14112,27000,-18432, -114444,290628,467856,-354600,-1479114,1768536, 12073896,-5861808,-29193750,22900176,165214728, 64153152,-654007014,163350540,2795893038] |