n | a(n) |
---|---|
0 | 0 |
1 | -2 |
2 | 14 |
3 | -58 |
4 | 198 |
5 | -602 |
6 | 1702 |
7 | -4570 |
8 | 11814 |
9 | -29658 |
10 | 72742 |
11 | -175066 |
12 | 414758 |
13 | -969690 |
14 | 2241574 |
15 | -5131226 |
16 | 11645990 |
17 | -26233818 |
18 | 58700838 |
19 | -130567130 |
20 | 288863270 |
21 | -635980762 |
22 | 1394062374 |
23 | -3043511258 |
24 | 6620165158 |
[0,-2,14,-58,198,-602,1702,-4570,11814,-29658, 72742,-175066,414758,-969690,2241574,-5131226, 11645990,-26233818,58700838,-130567130,288863270, -635980762,1394062374,-3043511258,6620165158] |