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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 16 |
| 3 | 1296 |
| 4 | 20736 |
| 5 | 160000 |
| 6 | 390625 |
| 7 | 3748096 |
| 8 | 8503056 |
| 9 | 16777216 |
| 10 | 62742241 |
| 11 | 193877776 |
| 12 | 429981696 |
| 13 | 623201296 |
| 14 | 855036081 |
| 15 | 1766100625 |
| 16 | 1871773696 |
| 17 | 1982119441 |
| 18 | 2562890625 |
| 19 | 2947295521 |
[1,16,1296,20736,160000,390625,3748096,8503056, 16777216,62742241,193877776,429981696,623201296, 855036081,1766100625,1871773696,1982119441, 2562890625,2947295521] |