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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 41 |
| 3 | 243 |
| 4 | 1641 |
| 5 | 11810 |
| 6 | 88574 |
| 7 | 683282 |
| 8 | 5380841 |
| 9 | 43046721 |
| 10 | 348678441 |
| 11 | 2852823601 |
| 12 | 23535794707 |
| 13 | 195528140641 |
| 14 | 1634056603926 |
| 15 | 13726075472977 |
| 16 | 115813761803241 |
| 17 | 981010688215681 |
| 18 | 8338590849833285 |
| 19 | 71097458824894321 |
[9,41,243,1641,11810,88574,683282,5380841, 43046721,348678441,2852823601,23535794707, 195528140641,1634056603926,13726075472977, 115813761803241,981010688215681,8338590849833285, 71097458824894321] |