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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 128 |
| 3 | 625 |
| 4 | 1458 |
| 5 | 8192 |
| 6 | 31250 |
| 7 | 40000 |
| 8 | 93312 |
| 9 | 235298 |
| 10 | 524288 |
| 11 | 455625 |
| 12 | 1062882 |
| 13 | 2000000 |
[2,128,625,1458,8192,31250,40000,93312,235298, 524288,455625,1062882,2000000] |