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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 2401 |
| 3 | 40353607 |
| 4 | 33232930569601 |
| 5 | 1341068619663964900807 |
| 6 | 2651730845859653471779023381601 |
| 7 | 256923577521058878088611477224235621321607 |
[1,7,2401,40353607,33232930569601, 1341068619663964900807, 2651730845859653471779023381601, 256923577521058878088611477224235621321607] |