n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 1 |
4 | -3 |
5 | 7 |
6 | -15 |
7 | 30 |
8 | -55 |
9 | 90 |
10 | -125 |
11 | 125 |
12 | 0 |
13 | -450 |
14 | 1625 |
15 | -4250 |
16 | 9500 |
17 | -18999 |
18 | 34357 |
19 | -55454 |
20 | 75735 |
21 | -70890 |
22 | -26333 |
23 | 379049 |
24 | -1352078 |
25 | 3713650 |
26 | -9000225 |
27 | 20136806 |
28 | -42409968 |
29 | 84819937 |
30 | -161567265 |
31 | 292710630 |
32 | -501416815 |
33 | 801992970 |
34 | -1167081365 |
35 | 1453179125 |
[1,0,1,-3,7,-15,30,-55,90,-125,125,0,-450,1625, -4250,9500,-18999,34357,-55454,75735,-70890, -26333,379049,-1352078,3713650,-9000225,20136806, -42409968,84819937,-161567265,292710630, -501416815,801992970,-1167081365,1453179125] |