n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 15 |
6 | 93 |
7 | 794 |
8 | 10850 |
9 | 259700 |
10 | 11706739 |
11 | 1006609723 |
12 | 164058686415 |
13 | 50335888444167 |
14 | 29003487017067011 |
15 | 31397381129017616776 |
16 | 63969560112658419275907 |
17 | 245871831682052901418048916 |
[0,0,1,3,15,93,794,10850,259700,11706739, 1006609723,164058686415,50335888444167, 29003487017067011,31397381129017616776, 63969560112658419275907, 245871831682052901418048916] |