n | a(n) |
---|---|
0 | 0 |
1 | -1 |
2 | -5 |
3 | -22 |
4 | -91 |
5 | -364 |
6 | -1430 |
7 | -5564 |
8 | -21541 |
9 | -83200 |
10 | -321100 |
11 | -1239446 |
12 | -4787770 |
13 | -18514119 |
14 | -71683040 |
15 | -277913233 |
16 | -1078918139 |
17 | -4194134516 |
18 | -16324764560 |
19 | -63616690111 |
20 | -248187382924 |
21 | -969250588865 |
22 | -3788814577730 |
23 | -14823325196459 |
24 | -58040165033110 |
25 | -227415509487686 |
[0,-1,-5,-22,-91,-364,-1430,-5564,-21541,-83200, -321100,-1239446,-4787770,-18514119,-71683040, -277913233,-1078918139,-4194134516,-16324764560, -63616690111,-248187382924,-969250588865, -3788814577730,-14823325196459,-58040165033110, -227415509487686] |