n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 35 |
5 | 215 |
6 | 1501 |
7 | 11354 |
8 | 88978 |
9 | 675569 |
10 | 4175664 |
11 | 1725333 |
12 | -687775083 |
13 | -19848956619 |
14 | -438027976068 |
15 | -8715988203509 |
16 | -161989586455204 |
17 | -2784493824166078 |
18 | -41530410660307610 |
19 | -406672888265416456 |
20 | 4420077014249902362 |
21 | 456572861717941696791 |
[0,1,2,7,35,215,1501,11354,88978,675569,4175664, 1725333,-687775083,-19848956619,-438027976068, -8715988203509,-161989586455204,-2784493824166078, -41530410660307610,-406672888265416456, 4420077014249902362,456572861717941696791] |