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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 800 |
| 5 | 8295 |
| 6 | 114625 |
| 7 | 920175 |
| 8 | 4627875 |
| 9 | 17257800 |
| 10 | 45069885 |
| 11 | 84369875 |
| 12 | 116066125 |
| 13 | 116066125 |
| 14 | 84369875 |
| 15 | 45069885 |
| 16 | 17257800 |
| 17 | 4627875 |
| 18 | 920175 |
| 19 | 114625 |
| 20 | 8295 |
| 21 | 800 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | 1 |
[1,0,0,0,800,8295,114625,920175,4627875,17257800, 45069885,84369875,116066125,116066125,84369875, 45069885,17257800,4627875,920175,114625,8295,800, 0,0,0,1] |