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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 9 |
| 2 | 100 |
| 3 | 2916 |
| 4 | 231200 |
| 5 | 50808384 |
| 6 | 31258240000 |
| 7 | 54112148361216 |
| 8 | 264265663201280000 |
| 9 | 3645603832850650497024 |
| 10 | 142153785549232537600000000 |
| 11 | 15673043740102659990892604030976 |
| 12 | 4886752115388739132874502963200000000 |
| 13 | 4309225323078788454199311474023086952546304 |
| 14 | 10747393363422494556085100202291563069440000000000 |
[2,9,100,2916,231200,50808384,31258240000, 54112148361216,264265663201280000, 3645603832850650497024, 142153785549232537600000000, 15673043740102659990892604030976, 4886752115388739132874502963200000000, 4309225323078788454199311474023086952546304, 10747393363422494556085100202291563069440000000000\ ] |