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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 81 |
| 2 | 1296 |
| 3 | 6561 |
| 4 | 20736 |
| 5 | 50625 |
| 6 | 104976 |
| 7 | 194481 |
| 8 | 331776 |
| 9 | 531441 |
| 10 | 810000 |
| 11 | 1185921 |
| 12 | 1679616 |
| 13 | 2313441 |
| 14 | 3111696 |
| 15 | 4100625 |
| 16 | 5308416 |
| 17 | 6765201 |
| 18 | 8503056 |
| 19 | 10556001 |
| 20 | 12960000 |
| 21 | 15752961 |
| 22 | 18974736 |
| 23 | 22667121 |
| 24 | 26873856 |
| 25 | 31640625 |
| 26 | 37015056 |
| 27 | 43046721 |
| 28 | 49787136 |
| 29 | 57289761 |
[0,81,1296,6561,20736,50625,104976,194481,331776, 531441,810000,1185921,1679616,2313441,3111696, 4100625,5308416,6765201,8503056,10556001,12960000, 15752961,18974736,22667121,26873856,31640625, 37015056,43046721,49787136,57289761] |