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| n | a(n) |
|---|---|
| 1 | 912 |
| 2 | 28048 |
| 3 | 316392 |
| 4 | 3049840 |
| 5 | 16751376 |
| 6 | 216762400 |
| 7 | 2168966344 |
| 8 | 20154887792 |
| 9 | 138240703248 |
| 10 | 1449388911184 |
| 11 | 14047136614696 |
| 12 | 130631050676464 |
| 13 | 1009951152099984 |
| 14 | 9665650741329760 |
| 15 | 91463371579618312 |
| 16 | 848124382235101936 |
[912,28048,316392,3049840,16751376,216762400, 2168966344,20154887792,138240703248,1449388911184, 14047136614696,130631050676464,1009951152099984, 9665650741329760,91463371579618312, 848124382235101936] |