n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | -1 |
4 | 2 |
5 | 1 |
6 | 6 |
7 | -5 |
8 | 21 |
9 | -20 |
10 | 161 |
11 | 116 |
12 | 1357 |
13 | -3741 |
14 | 18526 |
15 | 8385 |
16 | 480106 |
17 | -239785 |
18 | 12551561 |
19 | -59997896 |
20 | 683916417 |
21 | 1849037896 |
22 | 51678803961 |
23 | -270896443865 |
24 | 4881674119706 |
25 | -16683000076735 |
26 | 997454379905326 |
[0,1,-1,2,1,6,-5,21,-20,161,116,1357,-3741,18526, 8385,480106,-239785,12551561,-59997896,683916417, 1849037896,51678803961,-270896443865, 4881674119706,-16683000076735,997454379905326] |