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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 39 |
| 3 | 2457 |
| 4 | 788697 |
| 5 | 1327377051 |
| 6 | 11931792311439 |
| 7 | 580350446236081521 |
| 8 | 154215943727867706493809 |
| 9 | 225550533306461376412704772467 |
| 10 | 1826384842574005591817185497927226551 |
| 11 | 82272644789290466599017454496002856892236169 |
[1,3,39,2457,788697,1327377051,11931792311439, 580350446236081521,154215943727867706493809, 225550533306461376412704772467, 1826384842574005591817185497927226551, 82272644789290466599017454496002856892236169] |