n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | -4 |
5 | 0 |
6 | -16 |
7 | -32 |
8 | -28 |
9 | -288 |
10 | -400 |
11 | -1024 |
12 | -5268 |
13 | -5920 |
14 | -32160 |
15 | -82720 |
16 | -163020 |
17 | -737568 |
18 | -1482784 |
19 | -4644992 |
20 | -15095436 |
21 | -33307648 |
22 | -117747376 |
23 | -312435552 |
24 | -842726356 |
25 | -2747491616 |
26 | -7020371952 |
27 | -21348043296 |
[1,0,0,0,-4,0,-16,-32,-28,-288,-400,-1024,-5268, -5920,-32160,-82720,-163020,-737568,-1482784, -4644992,-15095436,-33307648,-117747376, -312435552,-842726356,-2747491616,-7020371952, -21348043296] |