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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 9 |
| 3 | 75 |
| 4 | 11025 |
| 5 | 178605 |
| 6 | 36018675 |
| 7 | 2608781175 |
| 8 | 4108830350625 |
| 9 | 131939107925625 |
| 10 | 85734032330071125 |
| 11 | 17185776480709711875 |
| 12 | 33334677780416604466875 |
| 13 | 4807886218329317951953125 |
| 14 | 6509191098729563747237109375 |
[1,9,75,11025,178605,36018675,2608781175, 4108830350625,131939107925625,85734032330071125, 17185776480709711875,33334677780416604466875, 4807886218329317951953125, 6509191098729563747237109375] |