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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 81 |
| 3 | 343 |
| 4 | 400 |
| 5 | 9261 |
| 6 | 27783 |
| 7 | 32400 |
| 8 | 137200 |
| 9 | 189728 |
| 10 | 224939 |
| 11 | 972000 |
| 12 | 1705636 |
| 13 | 2205472 |
| 14 | 3087000 |
| 15 | 3591200 |
| 16 | 3648100 |
| 17 | 3704400 |
| 18 | 7968032 |
| 19 | 11113200 |
| 20 | 13645088 |
| 21 | 15350724 |
| 22 | 15367968 |
| 23 | 18220059 |
| 24 | 21161304 |
| 25 | 24240600 |
| 26 | 25992000 |
| 27 | 26680500 |
| 28 | 29184800 |
| 29 | 32832900 |
| 30 | 48586824 |
| 31 | 51595489 |
[1,81,343,400,9261,27783,32400,137200,189728, 224939,972000,1705636,2205472,3087000,3591200, 3648100,3704400,7968032,11113200,13645088, 15350724,15367968,18220059,21161304,24240600, 25992000,26680500,29184800,32832900,48586824, 51595489] |