| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 3 |
| 4 | 9 |
| 5 | 81 |
| 6 | 6561 |
| 7 | 43046721 |
| 8 | 1853020188851841 |
| 9 | 3433683820292512484657849089281 |
| 10 | 11790184577738583171520872861412518665678211592275841109096961 |
[1,3,3,9,81,6561,43046721,1853020188851841, 3433683820292512484657849089281, 11790184577738583171520872861412518665678211592275\ 841109096961] |