n | a(n) |
---|---|
3 | 1 |
4 | 7 |
5 | 25 |
6 | 55 |
7 | 259 |
8 | 2433 |
9 | 26055 |
10 | 255284 |
11 | 3429704 |
12 | 71355614 |
13 | 1963935839 |
14 | 63893300754 |
15 | 2652285259513 |
16 | 148465098222315 |
[1,7,25,55,259,2433,26055,255284,3429704,71355614, 1963935839,63893300754,2652285259513, 148465098222315] |