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| n | a(n) |
|---|---|
| 2 | 4 |
| 3 | 64 |
| 4 | 625 |
| 5 | 248832 |
| 6 | 11390625 |
| 7 | 170859375 |
| 8 | 1406408618241 |
| 9 | 3299763591802133 |
| 10 | 3656158440062976 |
| 11 | 550329031716248441 |
| 12 | 766217865410400390625 |
| 13 | 15791096563156692195651 |
| 14 | 6193386212891813387462761 |
| 15 | 243008175525757569678159896851 |
| 16 | 3433683820292512484657849089281 |
[4,64,625,248832,11390625,170859375,1406408618241, 3299763591802133,3656158440062976, 550329031716248441,766217865410400390625, 15791096563156692195651,6193386212891813387462761, 243008175525757569678159896851, 3433683820292512484657849089281] |