n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 2 |
4 | -4 |
5 | 1 |
6 | 6 |
7 | -16 |
8 | 10 |
9 | -1 |
10 | 24 |
11 | -76 |
12 | 70 |
13 | -20 |
14 | 1 |
15 | 120 |
16 | -428 |
17 | 496 |
18 | -224 |
19 | 35 |
20 | -1 |
21 | 720 |
22 | -2808 |
23 | 3808 |
24 | -2260 |
25 | 588 |
26 | -56 |
27 | 1 |
28 | 5040 |
29 | -21096 |
30 | 32152 |
31 | -23008 |
32 | 8140 |
33 | -1344 |
34 | 84 |
35 | -1 |
36 | 40320 |
37 | -178848 |
38 | 298688 |
39 | -245560 |
40 | 107328 |
41 | -24772 |
42 | 2772 |
[1,-1,2,-4,1,6,-16,10,-1,24,-76,70,-20,1,120,-428, 496,-224,35,-1,720,-2808,3808,-2260,588,-56,1, 5040,-21096,32152,-23008,8140,-1344,84,-1,40320, -178848,298688,-245560,107328,-24772,2772] |