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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 12 |
| 2 | 13 |
| 3 | 25 |
| 4 | 313 |
| 5 | 15675 |
| 6 | 188413 |
| 7 | 204088 |
| 8 | 392501 |
| 9 | 4914100 |
| 10 | 246097501 |
| 11 | 2958084112 |
| 12 | 3204181613 |
| 13 | 6162265725 |
| 14 | 77151370313 |
| 15 | 3863730781375 |
| 16 | 46441920746813 |
| 17 | 50305651528188 |
| 18 | 96747572275001 |
| 19 | 1211276518828200 |
| 20 | 60660573513685001 |
| 21 | 729138158683048212 |
| 22 | 789798732196733213 |
[1,12,13,25,313,15675,188413,204088,392501, 4914100,246097501,2958084112,3204181613, 6162265725,77151370313,3863730781375, 46441920746813,50305651528188,96747572275001, 1211276518828200,60660573513685001, 729138158683048212,789798732196733213] |