n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 36 |
3 | 120 |
4 | 330 |
5 | 792 |
6 | 1716 |
7 | 3432 |
8 | 6434 |
9 | 11424 |
10 | 19312 |
11 | 31008 |
12 | 46512 |
13 | 62016 |
14 | 62016 |
15 | 0 |
16 | -245156 |
17 | -961376 |
18 | -2787760 |
19 | -7065760 |
20 | -16478280 |
21 | -36159840 |
22 | -75522960 |
23 | -151045920 |
24 | -290021896 |
25 | -534308096 |
26 | -940325760 |
27 | -1564496128 |
28 | -2406819200 |
29 | -3249142272 |
30 | -3249142272 |
[1,8,36,120,330,792,1716,3432,6434,11424,19312, 31008,46512,62016,62016,0,-245156,-961376, -2787760,-7065760,-16478280,-36159840,-75522960, -151045920,-290021896,-534308096,-940325760, -1564496128,-2406819200,-3249142272,-3249142272] |