n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -1 |
3 | 1 |
4 | -5 |
5 | 4 |
6 | 1 |
7 | -21 |
8 | 72 |
9 | -52 |
10 | 1 |
11 | -85 |
12 | 1020 |
13 | -3016 |
14 | 2080 |
15 | 1 |
16 | -341 |
17 | 13600 |
18 | -133900 |
19 | 372320 |
20 | -251680 |
21 | 1 |
22 | -1365 |
23 | 178164 |
24 | -5532800 |
25 | 50406720 |
26 | -136662240 |
27 | 91611520 |
28 | 1 |
29 | -5461 |
30 | 2321592 |
31 | -223628132 |
32 | 6320525120 |
33 | -55844268480 |
34 | 149876446720 |
35 | -100131391360 |
[1,1,-1,1,-5,4,1,-21,72,-52,1,-85,1020,-3016,2080, 1,-341,13600,-133900,372320,-251680,1,-1365, 178164,-5532800,50406720,-136662240,91611520,1, -5461,2321592,-223628132,6320525120,-55844268480, 149876446720,-100131391360] |