n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | -3 |
4 | 4 |
5 | -20 |
6 | -130 |
7 | 1869 |
8 | -12280 |
9 | 100080 |
10 | -604742 |
11 | -829675 |
12 | 62508620 |
13 | -1158921972 |
14 | 17643171702 |
15 | -190494456075 |
16 | 1197368304912 |
17 | 8324510449216 |
18 | -571700218304142 |
19 | 14677422922560141 |
20 | -268070215275170156 |
21 | 3735756713394119820 |
22 | -25728057443748879250 |
[0,0,2,-3,4,-20,-130,1869,-12280,100080,-604742, -829675,62508620,-1158921972,17643171702, -190494456075,1197368304912,8324510449216, -571700218304142,14677422922560141, -268070215275170156,3735756713394119820, -25728057443748879250] |