n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 0 |
3 | -6 |
4 | 16 |
5 | -18 |
6 | 48 |
7 | -94 |
8 | 208 |
9 | -426 |
10 | 752 |
11 | -1646 |
12 | 3360 |
13 | -6578 |
14 | 13056 |
15 | -26358 |
16 | 53456 |
17 | -105890 |
18 | 211392 |
19 | -424366 |
20 | 850544 |
21 | -1699290 |
22 | 3393136 |
23 | -6795646 |
24 | 13601184 |
25 | -27188130 |
26 | 54358000 |
27 | -108752870 |
28 | 217552976 |
29 | -435033618 |
30 | 869999584 |
31 | -1740145118 |
32 | 3480497584 |
[1,-2,0,-6,16,-18,48,-94,208,-426,752,-1646,3360, -6578,13056,-26358,53456,-105890,211392,-424366, 850544,-1699290,3393136,-6795646,13601184, -27188130,54358000,-108752870,217552976, -435033618,869999584,-1740145118,3480497584] |