n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 4 |
3 | -6 |
4 | 19 |
5 | -140 |
6 | 814 |
7 | -5082 |
8 | 43509 |
9 | -400248 |
10 | 3812904 |
11 | -42180270 |
12 | 520553895 |
13 | -6701464068 |
14 | 92507196786 |
15 | -1398195467970 |
16 | 22513722221865 |
17 | -380979724310896 |
18 | 6839735642061708 |
19 | -130277805146941014 |
[1,0,4,-6,19,-140,814,-5082,43509,-400248,3812904, -42180270,520553895,-6701464068,92507196786, -1398195467970,22513722221865,-380979724310896, 6839735642061708,-130277805146941014] |