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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 9 |
| 4 | 32 |
| 5 | 125 |
| 6 | 529 |
| 7 | 2401 |
| 8 | 11585 |
| 9 | 59049 |
| 10 | 316227 |
| 11 | 1771561 |
| 12 | 10343751 |
| 13 | 62748517 |
| 14 | 394421215 |
| 15 | 2562890625 |
| 16 | 17179869184 |
| 17 | 118587876497 |
| 18 | 841567195983 |
| 19 | 6131066257801 |
| 20 | 45794672179195 |
| 21 | 350277500542221 |
| 22 | 2740695769692949 |
[1,2,9,32,125,529,2401,11585,59049,316227,1771561, 10343751,62748517,394421215,2562890625, 17179869184,118587876497,841567195983, 6131066257801,45794672179195,350277500542221, 2740695769692949] |