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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 24 |
| 3 | 180 |
| 4 | 800 |
| 5 | 2625 |
| 6 | 7056 |
| 7 | 16464 |
| 8 | 34560 |
| 9 | 66825 |
| 10 | 121000 |
| 11 | 207636 |
| 12 | 340704 |
| 13 | 538265 |
| 14 | 823200 |
| 15 | 1224000 |
| 16 | 1775616 |
| 17 | 2520369 |
| 18 | 3508920 |
| 19 | 4801300 |
| 20 | 6468000 |
| 21 | 8591121 |
| 22 | 11265584 |
| 23 | 14600400 |
| 24 | 18720000 |
| 25 | 23765625 |
| 26 | 29896776 |
| 27 | 37292724 |
| 28 | 46154080 |
| 29 | 56704425 |
| 30 | 69192000 |
| 31 | 83891456 |
| 32 | 101105664 |
[1,24,180,800,2625,7056,16464,34560,66825,121000, 207636,340704,538265,823200,1224000,1775616, 2520369,3508920,4801300,6468000,8591121,11265584, 14600400,18720000,23765625,29896776,37292724, 46154080,56704425,69192000,83891456,101105664] |