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| n | a(n) |
|---|---|
| 1 | 125 |
| 2 | 903 |
| 3 | 7385 |
| 4 | 87453 |
| 5 | 957453 |
| 6 | 6777393 |
| 7 | 21487809 |
| 8 | 27035379 |
| 9 | 1379985537 |
| 10 | 5458529139 |
| 11 | 15399643917 |
| 12 | 32702289081 |
[125,903,7385,87453,957453,6777393,21487809, 27035379,1379985537,5458529139,15399643917, 32702289081] |