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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 10 |
| 3 | 1 |
| 4 | 49 |
| 5 | 225 |
| 6 | 36 |
| 7 | 730 |
| 8 | 4097 |
| 9 | 2025 |
| 10 | 4761 |
| 11 | 48401 |
| 12 | 46225 |
| 13 | 13456 |
| 14 | 432965 |
| 15 | 703922 |
| 16 | 1 |
| 17 | 3066002 |
| 18 | 8185321 |
| 19 | 1134225 |
| 20 | 16974401 |
| 21 | 78145601 |
| 22 | 35545444 |
| 23 | 67043345 |
| 24 | 632572802 |
[0,1,10,1,49,225,36,730,4097,2025,4761,48401, 46225,13456,432965,703922,1,3066002,8185321, 1134225,16974401,78145601,35545444,67043345, 632572802] |