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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6561 |
| 3 | 1679616 |
| 4 | 100000000 |
| 5 | 2562890625 |
| 6 | 37822859361 |
| 7 | 377801998336 |
| 8 | 2821109907456 |
| 9 | 16815125390625 |
| 10 | 83733937890625 |
| 11 | 360040606269696 |
| 12 | 1370114370683136 |
| 13 | 4702525276151521 |
| 14 | 14774554437890625 |
| 15 | 42998169600000000 |
| 16 | 117033789351264256 |
| 17 | 300283484326400961 |
[1,6561,1679616,100000000,2562890625,37822859361, 377801998336,2821109907456,16815125390625, 83733937890625,360040606269696,1370114370683136, 4702525276151521,14774554437890625, 42998169600000000,117033789351264256, 300283484326400961] |