n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 4 |
3 | -6 |
4 | 115 |
5 | -500 |
6 | 8830 |
7 | -70770 |
8 | 1316825 |
9 | -15886440 |
10 | 324218600 |
11 | -5249917750 |
12 | 119185529675 |
13 | -2412502361100 |
14 | 61104527105050 |
15 | -1476059511449250 |
16 | 41607421213320625 |
17 | -1162370434739930000 |
[1,0,4,-6,115,-500,8830,-70770,1316825,-15886440, 324218600,-5249917750,119185529675,-2412502361100, 61104527105050,-1476059511449250, 41607421213320625,-1162370434739930000] |