n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 1 |
4 | -3 |
5 | -1 |
6 | 1 |
7 | -6 |
8 | -10 |
9 | 1 |
10 | 1 |
11 | -10 |
12 | -50 |
13 | 35 |
14 | 1 |
15 | 1 |
16 | -15 |
17 | -175 |
18 | 490 |
19 | 126 |
20 | -1 |
21 | 1 |
22 | -21 |
23 | -490 |
24 | 4116 |
25 | 5292 |
26 | -462 |
27 | -1 |
28 | 1 |
29 | -28 |
30 | -1176 |
31 | 24696 |
32 | 116424 |
33 | -60984 |
34 | -1716 |
35 | 1 |
36 | 1 |
37 | -36 |
38 | -2520 |
39 | 116424 |
40 | 1646568 |
41 | -3737448 |
42 | -736164 |
43 | 6435 |
44 | 1 |
45 | 1 |
46 | -45 |
47 | -4950 |
48 | 457380 |
49 | 16818516 |
50 | -133613766 |
51 | -131589315 |
52 | 9202050 |
53 | 24310 |
54 | -1 |
[1,1,-1,1,-3,-1,1,-6,-10,1,1,-10,-50,35,1,1,-15, -175,490,126,-1,1,-21,-490,4116,5292,-462,-1,1, -28,-1176,24696,116424,-60984,-1716,1,1,-36,-2520, 116424,1646568,-3737448,-736164,6435,1,1,-45, -4950,457380,16818516,-133613766,-131589315, 9202050,24310,-1] |