n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | -3 |
3 | 12 |
4 | -66 |
5 | 488 |
6 | -4464 |
7 | 49112 |
8 | -628624 |
9 | 9201728 |
10 | -151417984 |
11 | 2768998144 |
12 | -55689376768 |
13 | 1221892625536 |
14 | -29042327308032 |
15 | 743397015460096 |
16 | -20387623448193024 |
17 | 596407256671842304 |
18 | -18537290145521811456 |
[0,2,-3,12,-66,488,-4464,49112,-628624,9201728, -151417984,2768998144,-55689376768,1221892625536, -29042327308032,743397015460096, -20387623448193024,596407256671842304, -18537290145521811456] |