n | a(n) |
---|---|
2 | 3 |
3 | 9 |
4 | 54 |
5 | 450 |
6 | 4725 |
7 | 59535 |
8 | 873180 |
9 | 14594580 |
10 | 273648375 |
11 | 5685805125 |
12 | 129636356850 |
13 | 3217338674550 |
14 | 86331921100425 |
15 | 2490343877896875 |
16 | 76844896803675000 |
17 | 2525635608280785000 |
18 | 88081541838792376875 |
19 | 3248654513701342370625 |
[3,9,54,450,4725,59535,873180,14594580,273648375, 5685805125,129636356850,3217338674550, 86331921100425,2490343877896875,76844896803675000, 2525635608280785000,88081541838792376875, 3248654513701342370625] |