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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 160 |
| 3 | 3645 |
| 4 | 34816 |
| 5 | 203125 |
| 6 | 863136 |
| 7 | 2941225 |
| 8 | 8519680 |
| 9 | 21789081 |
| 10 | 50500000 |
| 11 | 108065221 |
| 12 | 216483840 |
| 13 | 410278765 |
| 14 | 741659296 |
| 15 | 1287140625 |
| 16 | 2155872256 |
| 17 | 3499947505 |
| 18 | 5526986400 |
| 19 | 8515304461 |
| 20 | 12832000000 |
| 21 | 18954312741 |
| 22 | 27494626720 |
| 23 | 39229510585 |
| 24 | 55133208576 |
[0,1,160,3645,34816,203125,863136,2941225,8519680, 21789081,50500000,108065221,216483840,410278765, 741659296,1287140625,2155872256,3499947505, 5526986400,8515304461,12832000000,18954312741, 27494626720,39229510585,55133208576] |