n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | -2 |
4 | -1 |
5 | 0 |
6 | 6 |
7 | 0 |
8 | 4 |
9 | 0 |
10 | -24 |
11 | 1 |
12 | 0 |
13 | -26 |
14 | 0 |
15 | 120 |
16 | 0 |
17 | -6 |
18 | 0 |
19 | 156 |
20 | 0 |
21 | -720 |
22 | -1 |
23 | 0 |
24 | 68 |
25 | 0 |
26 | -1212 |
27 | 0 |
28 | 5040 |
29 | 0 |
30 | 8 |
31 | 0 |
32 | -544 |
33 | 0 |
34 | 9696 |
35 | 0 |
36 | -40320 |
37 | 1 |
38 | 0 |
39 | -140 |
40 | 0 |
41 | 6108 |
42 | 0 |
43 | -92304 |
44 | 0 |
45 | 362880 |
46 | 0 |
47 | -10 |
48 | 0 |
49 | 1400 |
50 | 0 |
51 | -61080 |
52 | 0 |
53 | 923040 |
54 | 0 |
55 | -3628800 |
[1,0,-2,-1,0,6,0,4,0,-24,1,0,-26,0,120,0,-6,0,156, 0,-720,-1,0,68,0,-1212,0,5040,0,8,0,-544,0,9696,0, -40320,1,0,-140,0,6108,0,-92304,0,362880,0,-10,0, 1400,0,-61080,0,923040,0,-3628800] |