n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 4 |
4 | -4 |
5 | 0 |
6 | 20 |
7 | 0 |
8 | -60 |
9 | 0 |
10 | 128 |
11 | 60 |
12 | 0 |
13 | -768 |
14 | 0 |
15 | 1040 |
16 | 0 |
17 | 1920 |
18 | 0 |
19 | -10400 |
20 | 0 |
21 | 10432 |
22 | -1920 |
23 | 0 |
24 | 46800 |
25 | 0 |
26 | -156480 |
27 | 0 |
28 | 125248 |
29 | 0 |
30 | -109200 |
31 | 0 |
32 | 1095360 |
33 | 0 |
34 | -2630208 |
35 | 0 |
36 | 1753600 |
37 | 109200 |
38 | 0 |
39 | -4381440 |
40 | 0 |
41 | 26302080 |
42 | 0 |
43 | -49100800 |
44 | 0 |
45 | 28057856 |
46 | 0 |
47 | 9858240 |
48 | 0 |
49 | -157812480 |
50 | 0 |
51 | 662860800 |
52 | 0 |
53 | -1010082816 |
54 | 0 |
[1,0,4,-4,0,20,0,-60,0,128,60,0,-768,0,1040,0, 1920,0,-10400,0,10432,-1920,0,46800,0,-156480,0, 125248,0,-109200,0,1095360,0,-2630208,0,1753600, 109200,0,-4381440,0,26302080,0,-49100800,0, 28057856,0,9858240,0,-157812480,0,662860800,0, -1010082816,0] |