n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | -3 |
4 | 4 |
5 | -20 |
6 | 278 |
7 | -2079 |
8 | 12024 |
9 | -102024 |
10 | 1526202 |
11 | -21144915 |
12 | 254194620 |
13 | -3422013660 |
14 | 60148579710 |
15 | -1146224919735 |
16 | 21194144971440 |
17 | -407432463085200 |
18 | 8837992445168370 |
19 | -209438776595814435 |
20 | 5103026808528257460 |
21 | -128021892811081933860 |
[0,0,2,-3,4,-20,278,-2079,12024,-102024,1526202, -21144915,254194620,-3422013660,60148579710, -1146224919735,21194144971440,-407432463085200, 8837992445168370,-209438776595814435, 5103026808528257460,-128021892811081933860] |