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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 8100 |
| 3 | 7741440 |
| 4 | 7138643400 |
| 5 | 6551815840350 |
| 6 | 6009209192448000 |
| 7 | 5511006731579419434 |
| 8 | 5054037303588059379600 |
| 9 | 4634949992739663836897280 |
| 10 | 4250612670512943969574312500 |
| 11 | 3898145031429828405122837863554 |
[6,8100,7741440,7138643400,6551815840350, 6009209192448000,5511006731579419434, 5054037303588059379600,4634949992739663836897280, 4250612670512943969574312500, 3898145031429828405122837863554] |