n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | -1 |
4 | 0 |
5 | -1 |
6 | 0 |
7 | -1 |
8 | 3 |
9 | 0 |
10 | -1 |
11 | 10 |
12 | 0 |
13 | -1 |
14 | 25 |
15 | -15 |
16 | 0 |
17 | -1 |
18 | 56 |
19 | -105 |
20 | 0 |
21 | -1 |
22 | 119 |
23 | -490 |
24 | 105 |
25 | 0 |
26 | -1 |
27 | 246 |
28 | -1918 |
29 | 1260 |
30 | 0 |
31 | -1 |
32 | 501 |
33 | -6825 |
34 | 9450 |
35 | -945 |
36 | 0 |
37 | -1 |
38 | 1012 |
39 | -22935 |
40 | 56980 |
41 | -17325 |
42 | 0 |
43 | -1 |
44 | 2035 |
45 | -74316 |
46 | 302995 |
47 | -190575 |
48 | 10395 |
49 | 0 |
50 | -1 |
51 | 4082 |
52 | -235092 |
[1,0,0,-1,0,-1,0,-1,3,0,-1,10,0,-1,25,-15,0,-1,56, -105,0,-1,119,-490,105,0,-1,246,-1918,1260,0,-1, 501,-6825,9450,-945,0,-1,1012,-22935,56980,-17325, 0,-1,2035,-74316,302995,-190575,10395,0,-1,4082, -235092] |