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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 247 |
| 4 | 15457 |
| 5 | 2424088 |
| 6 | 951410443 |
| 7 | 932290081063 |
| 8 | 2278103185689373 |
| 9 | 13868101018687422769 |
| 10 | 210186367992374120026696 |
[1,10,247,15457,2424088,951410443,932290081063, 2278103185689373,13868101018687422769, 210186367992374120026696] |