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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 729 |
| 3 | 1027243729 |
| 4 | 1000000302700030542431027243729 |
| 5 | 1000000000000000000003000000302700000000003000000605400030542431000000302700030542431027243729 |
[9,729,1027243729,1000000302700030542431027243729, 10000000000000000000030000003027000000000030000006\ 05400030542431000000302700030542431027243729] |