n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 1 |
4 | -3 |
5 | 1 |
6 | 1 |
7 | -7 |
8 | 6 |
9 | 0 |
10 | 1 |
11 | -15 |
12 | 25 |
13 | 0 |
14 | -6 |
15 | 1 |
16 | -31 |
17 | 90 |
18 | 0 |
19 | -90 |
20 | 30 |
21 | 1 |
22 | -63 |
23 | 301 |
24 | 0 |
25 | -840 |
26 | 630 |
27 | -90 |
28 | 1 |
29 | -127 |
30 | 966 |
31 | 0 |
32 | -6300 |
33 | 7980 |
34 | -2520 |
35 | 0 |
36 | 1 |
37 | -255 |
38 | 3025 |
39 | 0 |
40 | -41706 |
41 | 79380 |
42 | -41580 |
43 | 0 |
44 | 2520 |
[1,1,-1,1,-3,1,1,-7,6,0,1,-15,25,0,-6,1,-31,90,0, -90,30,1,-63,301,0,-840,630,-90,1,-127,966,0, -6300,7980,-2520,0,1,-255,3025,0,-41706,79380, -41580,0,2520] |