n | a(n) |
---|---|
0 | 3 |
1 | -1 |
2 | 19 |
3 | -25 |
4 | 195 |
5 | -401 |
6 | 2131 |
7 | -5545 |
8 | 24323 |
9 | -72097 |
10 | 285459 |
11 | -910009 |
12 | 3407043 |
13 | -11311665 |
14 | 41065043 |
15 | -139462985 |
16 | 497736707 |
17 | -1711838529 |
18 | 6052005907 |
19 | -20960815961 |
20 | 73717030595 |
21 | -256312368337 |
22 | 898804827731 |
23 | -3131899112169 |
24 | 10964830193411 |
25 | -38253117375201 |
[3,-1,19,-25,195,-401,2131,-5545,24323,-72097, 285459,-910009,3407043,-11311665,41065043, -139462985,497736707,-1711838529,6052005907, -20960815961,73717030595,-256312368337, 898804827731,-3131899112169,10964830193411, -38253117375201] |