n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -1 |
3 | 3 |
4 | -18 |
5 | 120 |
6 | -966 |
7 | 8946 |
8 | -93748 |
9 | 1094832 |
10 | -14078036 |
11 | 197375420 |
12 | -2992213584 |
13 | 48700300272 |
14 | -845573085072 |
15 | 15571699693200 |
16 | -302493769715504 |
17 | 6165508375224704 |
18 | -131129003401938832 |
19 | 2892534929270217648 |
[1,0,-1,3,-18,120,-966,8946,-93748,1094832, -14078036,197375420,-2992213584,48700300272, -845573085072,15571699693200,-302493769715504, 6165508375224704,-131129003401938832, 2892534929270217648] |