n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | -14 |
5 | 45 |
6 | -101 |
7 | 189 |
8 | -331 |
9 | 668 |
10 | -1932 |
11 | 7206 |
12 | -27779 |
13 | 101365 |
14 | -347439 |
15 | 1139851 |
16 | -3690766 |
17 | 12258863 |
18 | -43341845 |
19 | 166059261 |
20 | -682516519 |
21 | 2930522990 |
22 | -12823188092 |
23 | 56366526324 |
24 | -247898684759 |
25 | 1094571175769 |
[1,1,1,1,-14,45,-101,189,-331,668,-1932,7206, -27779,101365,-347439,1139851,-3690766,12258863, -43341845,166059261,-682516519,2930522990, -12823188092,56366526324,-247898684759, 1094571175769] |