n | a(n) |
---|---|
0 | 0 |
1 | -1 |
2 | -2 |
3 | 24 |
4 | 60 |
5 | 245 |
6 | 642 |
7 | 1365 |
8 | 2552 |
9 | 5094 |
10 | -92010 |
11 | -147752 |
12 | -476940 |
13 | -1083134 |
14 | -2645230 |
15 | -5251515 |
16 | -10399760 |
17 | -18340246 |
18 | -33854778 |
19 | -56744526 |
20 | -95736020 |
21 | 1650319440 |
22 | 2252563082 |
23 | 6443314668 |
24 | 13202694120 |
25 | 29698078100 |
26 | 55023636486 |
27 | 113357565936 |
[0,-1,-2,24,60,245,642,1365,2552,5094,-92010, -147752,-476940,-1083134,-2645230,-5251515, -10399760,-18340246,-33854778,-56744526,-95736020, 1650319440,2252563082,6443314668,13202694120, 29698078100,55023636486,113357565936] |