n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 2 |
3 | -3 |
4 | 3 |
5 | 0 |
6 | -10 |
7 | 35 |
8 | -90 |
9 | 200 |
10 | -400 |
11 | 726 |
12 | -1188 |
13 | 1716 |
14 | -2080 |
15 | 1820 |
16 | -312 |
17 | -2704 |
18 | 5408 |
19 | 455 |
20 | -39195 |
21 | 170313 |
22 | -523029 |
23 | 1352078 |
24 | -3114774 |
25 | 6548074 |
26 | -12668578 |
27 | 22492886 |
28 | -36020998 |
29 | 49549110 |
30 | -49549110 |
31 | 0 |
32 | 182029056 |
33 | -670853984 |
34 | 1809734560 |
35 | -4242470755 |
[1,-1,2,-3,3,0,-10,35,-90,200,-400,726,-1188,1716, -2080,1820,-312,-2704,5408,455,-39195,170313, -523029,1352078,-3114774,6548074,-12668578, 22492886,-36020998,49549110,-49549110,0,182029056, -670853984,1809734560,-4242470755] |