n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 2 |
3 | 2 |
4 | -6 |
5 | -14 |
6 | 26 |
7 | 178 |
8 | 90 |
9 | -2382 |
10 | -9446 |
11 | 13746 |
12 | 287194 |
13 | 998578 |
14 | -3687782 |
15 | -56264782 |
16 | -208446118 |
17 | 1017677490 |
18 | 17194912282 |
19 | 79540574642 |
20 | -317691584294 |
21 | -7577787031374 |
22 | -47958156443238 |
23 | 77252406086578 |
24 | 4400217218583642 |
25 | 39757699729476274 |
26 | 54538870133137690 |
[1,-2,2,2,-6,-14,26,178,90,-2382,-9446,13746, 287194,998578,-3687782,-56264782,-208446118, 1017677490,17194912282,79540574642,-317691584294, -7577787031374,-47958156443238,77252406086578, 4400217218583642,39757699729476274, 54538870133137690] |