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| n | a(n) |
|---|---|
| 1 | 81 |
| 2 | 841 |
| 3 | 7921 |
| 4 | 77841 |
| 5 | 790321 |
| 6 | 863041 |
| 7 | 982081 |
| 8 | 9991921 |
| 9 | 79014321 |
| 10 | 80299521 |
| 11 | 94653441 |
| 12 | 7901254321 |
| 13 | 8635799041 |
| 14 | 778133930161 |
| 15 | 790123654321 |
| 16 | 794396081521 |
| 17 | 816057482881 |
| 18 | 965485073281 |
| 19 | 989863816561 |
| 20 | 79012347654321 |
| 21 | 86358529399041 |
| 22 | 857789228465521 |
| 23 | 7901234587654321 |
| 24 | 8547733055510401 |
[81,841,7921,77841,790321,863041,982081,9991921, 79014321,80299521,94653441,7901254321,8635799041, 778133930161,790123654321,794396081521, 816057482881,965485073281,989863816561, 79012347654321,86358529399041,857789228465521, 7901234587654321,8547733055510401] |