n | a(n) |
---|---|
0 | 0 |
1 | -2 |
2 | 30 |
3 | -186 |
4 | 838 |
5 | -3162 |
6 | 10662 |
7 | -33242 |
8 | 97830 |
9 | -275418 |
10 | 748582 |
11 | -1977306 |
12 | 5100582 |
13 | -12897242 |
14 | 32060454 |
15 | -78531546 |
16 | 189903910 |
17 | -454052826 |
18 | 1074770982 |
19 | -2521320410 |
20 | 5867287590 |
21 | -13554437082 |
[0,-2,30,-186,838,-3162,10662,-33242,97830, -275418,748582,-1977306,5100582,-12897242, 32060454,-78531546,189903910,-454052826, 1074770982,-2521320410,5867287590,-13554437082] |