n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | -3 |
4 | 3 |
5 | -12 |
6 | 11 |
7 | 4 |
8 | -30 |
9 | 70 |
10 | -50 |
11 | 5 |
12 | -60 |
13 | 255 |
14 | -450 |
15 | 274 |
16 | 6 |
17 | -105 |
18 | 700 |
19 | -2205 |
20 | 3248 |
21 | -1764 |
22 | 7 |
23 | -168 |
24 | 1610 |
25 | -7840 |
26 | 20307 |
27 | -26264 |
28 | 13068 |
29 | 8 |
30 | -252 |
31 | 3276 |
32 | -22680 |
33 | 89796 |
34 | -201852 |
35 | 236248 |
36 | -109584 |
37 | 9 |
38 | -360 |
39 | 6090 |
40 | -56700 |
41 | 316365 |
42 | -1077300 |
43 | 2171040 |
44 | -2345400 |
45 | 1026576 |
46 | 10 |
47 | -495 |
48 | 10560 |
49 | -127050 |
50 | 946638 |
51 | -4510275 |
52 | 13667720 |
53 | -25228500 |
54 | 25507152 |
55 | -10628640 |
[1,2,-3,3,-12,11,4,-30,70,-50,5,-60,255,-450,274, 6,-105,700,-2205,3248,-1764,7,-168,1610,-7840, 20307,-26264,13068,8,-252,3276,-22680,89796, -201852,236248,-109584,9,-360,6090,-56700,316365, -1077300,2171040,-2345400,1026576,10,-495,10560, -127050,946638,-4510275,13667720,-25228500, 25507152,-10628640] |