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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 1154 |
| 4 | 1780641 |
| 5 | 12483535858 |
| 6 | 1092037282618789 |
| 7 | 408653905036011361072 |
| 8 | 1924878822883438537017070318 |
| 9 | 37532720906358968019501781345379199 |
[1,10,1154,1780641,12483535858,1092037282618789, 408653905036011361072, 1924878822883438537017070318, 37532720906358968019501781345379199] |