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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 16 |
| 3 | 218 |
| 4 | 24295 |
| 5 | 864222223 |
| 6 | 164603685185 |
| 7 | 12522046031746 |
| 8 | 1206791666666515 |
| 9 | 109727160493703690 |
| 10 | 9876555555544444321 |
| 11 | 897878787878686865830 |
| 12 | 82398148148148055545260 |
| 13 | 7692222222222221358024700 |
[1,16,218,24295,864222223,164603685185, 12522046031746,1206791666666515, 109727160493703690,9876555555544444321, 897878787878686865830,82398148148148055545260, 7692222222222221358024700] |