n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | -240 |
3 | -6497 |
4 | -65280 |
5 | -389601 |
6 | -1675520 |
7 | -5748417 |
8 | -16711680 |
9 | -42784577 |
10 | -98951424 |
11 | -210164577 |
12 | -413204480 |
13 | -748621857 |
14 | -1207353600 |
15 | -1489148801 |
16 | 0 |
17 | 10204111743 |
18 | 57699516160 |
19 | 257894343903 |
20 | 1073911627776 |
[1,3,-240,-6497,-65280,-389601,-1675520,-5748417, -16711680,-42784577,-98951424,-210164577, -413204480,-748621857,-1207353600,-1489148801,0, 10204111743,57699516160,257894343903, 1073911627776] |