n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -2 |
3 | 14 |
4 | -4 |
5 | 166 |
6 | -292 |
7 | 2092 |
8 | -136 |
9 | 28102 |
10 | -52412 |
11 | 131468 |
12 | -2264 |
13 | 5692636 |
14 | -10892936 |
15 | 83688344 |
16 | -20155888 |
17 | 1246068806 |
18 | -541124 |
19 | 2675231852 |
20 | -19548472 |
21 | 40491935468 |
22 | -552572485496 |
23 | 4314388905704 |
24 | -13091776816 |
25 | 65972020761116 |
[0,1,-2,14,-4,166,-292,2092,-136,28102,-52412, 131468,-2264,5692636,-10892936,83688344,-20155888, 1246068806,-541124,2675231852,-19548472, 40491935468,-552572485496,4314388905704, -13091776816,65972020761116] |