n | a(n) |
---|---|
0 | -2 |
1 | 8 |
2 | -34 |
3 | 136 |
4 | -530 |
5 | 2032 |
6 | -7714 |
7 | 29104 |
8 | -109378 |
9 | 410040 |
10 | -1534722 |
11 | 5738360 |
12 | -21441682 |
13 | 80083808 |
14 | -299027394 |
15 | 1116348896 |
16 | -4167148290 |
17 | 15554127592 |
18 | -58053908834 |
19 | 216672484584 |
20 | -808662529938 |
21 | 3018041612880 |
22 | -11263658377442 |
23 | 42036964786320 |
24 | -156885101002562 |
[-2,8,-34,136,-530,2032,-7714,29104,-109378, 410040,-1534722,5738360,-21441682,80083808, -299027394,1116348896,-4167148290,15554127592, -58053908834,216672484584,-808662529938, 3018041612880,-11263658377442,42036964786320, -156885101002562] |