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| n | a(n) |
|---|---|
| 0 | 729 |
| 1 | 2985984 |
| 2 | 85766121 |
| 3 | 729000000 |
| 4 | 3518743761 |
| 5 | 12230590464 |
| 6 | 34296447249 |
| 7 | 82653950016 |
| 8 | 177978515625 |
| 9 | 351298031616 |
| 10 | 646990183449 |
| 11 | 1126162419264 |
| 12 | 1870414552161 |
| 13 | 2985984000000 |
| 14 | 4608273662721 |
[729,2985984,85766121,729000000,3518743761, 12230590464,34296447249,82653950016,177978515625, 351298031616,646990183449,1126162419264, 1870414552161,2985984000000,4608273662721] |