n | a(n) |
---|---|
3 | 540 |
4 | 4128 |
5 | 19028 |
6 | 64440 |
7 | 278516 |
8 | 945816 |
9 | 2788452 |
10 | 10699008 |
11 | 34672388 |
12 | 103376592 |
13 | 390361412 |
14 | 1299118848 |
15 | 4097433060 |
[540,4128,19028,64440,278516,945816,2788452, 10699008,34672388,103376592,390361412,1299118848, 4097433060] |