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| n | a(n) |
|---|---|
| 10 | 0 |
| 11 | 6894720 |
| 12 | 125516160 |
| 13 | 1586345040 |
| 14 | 16759964880 |
| 15 | 158705713320 |
| 16 | 1400777573016 |
| 17 | 11828309150490 |
| 18 | 97341704612482 |
| 19 | 791331470025483 |
| 20 | 6418149695049249 |
| 21 | 52479230675397803 |
| 22 | 435575075749110957 |
| 23 | 3649912769065068556 |
| 24 | 30745771540084745428 |
| 25 | 259496462836442105424 |
[0,6894720,125516160,1586345040,16759964880, 158705713320,1400777573016,11828309150490, 97341704612482,791331470025483,6418149695049249, 52479230675397803,435575075749110957, 3649912769065068556,30745771540084745428, 259496462836442105424] |