n | a(n) |
---|---|
1 | -1 |
2 | 1 |
3 | 0 |
4 | -2 |
5 | 0 |
6 | 1 |
7 | 6 |
8 | 0 |
9 | -6 |
10 | 1 |
11 | -24 |
12 | 0 |
13 | 35 |
14 | -10 |
15 | -2 |
16 | 120 |
17 | 0 |
18 | -225 |
19 | 85 |
20 | 30 |
21 | -9 |
22 | -720 |
23 | 0 |
24 | 1624 |
25 | -735 |
26 | -350 |
27 | 189 |
28 | -9 |
29 | 5040 |
30 | 0 |
31 | -13132 |
32 | 6769 |
33 | 3920 |
34 | -2898 |
35 | 252 |
36 | 50 |
37 | -40320 |
38 | 0 |
39 | 118124 |
40 | -67284 |
41 | -44898 |
42 | 40824 |
43 | -4914 |
44 | -1800 |
45 | 267 |
46 | 362880 |
47 | 0 |
48 | -1172700 |
49 | 723680 |
[-1,1,0,-2,0,1,6,0,-6,1,-24,0,35,-10,-2,120,0, -225,85,30,-9,-720,0,1624,-735,-350,189,-9,5040,0, -13132,6769,3920,-2898,252,50,-40320,0,118124, -67284,-44898,40824,-4914,-1800,267,362880,0, -1172700,723680] |