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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 9 |
| 2 | 162 |
| 3 | 3645 |
| 4 | 91854 |
| 5 | 2480058 |
| 6 | 70150212 |
| 7 | 2051893701 |
| 8 | 61556811030 |
| 9 | 1883638417518 |
| 10 | 58564030799196 |
| 11 | 1844766970174674 |
| 12 | 58748732742485772 |
| 13 | 1888352123865614100 |
| 14 | 61182608813245896840 |
| 15 | 1996082612532147384405 |
| 16 | 65518476340761072970470 |
| 17 | 2162109719245115408025510 |
[1,9,162,3645,91854,2480058,70150212,2051893701, 61556811030,1883638417518,58564030799196, 1844766970174674,58748732742485772, 1888352123865614100,61182608813245896840, 1996082612532147384405,65518476340761072970470, 2162109719245115408025510] |