n | a(n) |
---|---|
1 | 0 |
2 | 346 |
3 | 17806 |
4 | 136138 |
5 | 865821 |
6 | 4716420 |
7 | 22796763 |
8 | 102696802 |
9 | 438513869 |
10 | 1799338352 |
11 | 7158291149 |
12 | 27787053444 |
13 | 105726471706 |
14 | 395690330122 |
15 | 1460576127556 |
16 | 5328417840400 |
17 | 19243721441580 |
18 | 68891667482710 |
[0,346,17806,136138,865821,4716420,22796763, 102696802,438513869,1799338352,7158291149, 27787053444,105726471706,395690330122, 1460576127556,5328417840400,19243721441580, 68891667482710] |