n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 5 |
4 | 1 |
5 | -35 |
6 | 90 |
7 | -3 |
8 | 595 |
9 | -6885 |
10 | 12005 |
11 | 143 |
12 | -150535 |
13 | 6175845 |
14 | -39484445 |
15 | 52245760 |
16 | -58201 |
17 | 316465625 |
18 | -42458934375 |
19 | 772604284375 |
20 | -3322503800000 |
21 | 3547818864576 |
22 | 216931 |
23 | -6012846875 |
24 | 2544269990625 |
25 | -120371747505625 |
26 | 1294115230100000 |
27 | -4145626343257056 |
28 | 3713894747640000 |
[1,-1,5,1,-35,90,-3,595,-6885,12005,143,-150535, 6175845,-39484445,52245760,-58201,316465625, -42458934375,772604284375,-3322503800000, 3547818864576,216931,-6012846875,2544269990625, -120371747505625,1294115230100000, -4145626343257056,3713894747640000] |