n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 35 |
4 | 176 |
5 | 882 |
6 | 4410 |
7 | 22051 |
8 | 110257 |
9 | 551285 |
10 | 2756426 |
11 | 13782132 |
12 | 68910660 |
13 | 344553301 |
14 | 1722766507 |
15 | 8613832535 |
16 | 43069162676 |
17 | 215345813382 |
18 | 1076729066910 |
19 | 5383645334551 |
20 | 26918226672757 |
21 | 134591133363785 |
22 | 672955666818926 |
[1,7,35,176,882,4410,22051,110257,551285,2756426, 13782132,68910660,344553301,1722766507,8613832535, 43069162676,215345813382,1076729066910, 5383645334551,26918226672757,134591133363785, 672955666818926] |