n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 0 |
3 | -2 |
4 | 12 |
5 | -59 |
6 | 300 |
7 | -1700 |
8 | 10808 |
9 | -76835 |
10 | 604440 |
11 | -5201734 |
12 | 48397140 |
13 | -480836407 |
14 | 5029687572 |
15 | -54376704304 |
16 | 590140657200 |
17 | -6060696430375 |
18 | 49142463616368 |
19 | 25189857279350 |
20 | -16700280706496420 |
21 | 638685917560435181 |
[0,1,0,-2,12,-59,300,-1700,10808,-76835,604440, -5201734,48397140,-480836407,5029687572, -54376704304,590140657200,-6060696430375, 49142463616368,25189857279350,-16700280706496420, 638685917560435181] |