n | a(n) |
---|---|
0 | 1 |
1 | -9 |
2 | 36 |
3 | -93 |
4 | 207 |
5 | -459 |
6 | 957 |
7 | -1827 |
8 | 3357 |
9 | -6061 |
10 | 10620 |
11 | -18045 |
12 | 30006 |
13 | -49122 |
14 | 79128 |
15 | -125247 |
16 | 195435 |
17 | -301599 |
18 | 460167 |
19 | -694026 |
20 | 1036368 |
21 | -1534305 |
22 | 2252277 |
23 | -3278709 |
24 | 4736973 |
25 | -6797196 |
26 | 9689103 |
27 | -13722487 |
[1,-9,36,-93,207,-459,957,-1827,3357,-6061,10620, -18045,30006,-49122,79128,-125247,195435,-301599, 460167,-694026,1036368,-1534305,2252277,-3278709, 4736973,-6797196,9689103,-13722487] |