n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -1 |
3 | 4 |
4 | -33 |
5 | 456 |
6 | -9460 |
7 | 274800 |
8 | -10643745 |
9 | 530052880 |
10 | -32995478376 |
11 | 2510382661920 |
12 | -229195817258100 |
13 | 24730000147369440 |
14 | -3113066087894608560 |
15 | 452168671458789789504 |
16 | -75059305956331837485345 |
17 | 14121026957032156557396000 |
18 | -2988687741694684876495689040 |
[0,1,-1,4,-33,456,-9460,274800,-10643745, 530052880,-32995478376,2510382661920, -229195817258100,24730000147369440, -3113066087894608560,452168671458789789504, -75059305956331837485345, 14121026957032156557396000, -2988687741694684876495689040] |