n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | -1 |
3 | -4 |
4 | 18 |
5 | 146 |
6 | -1425 |
7 | -7592 |
8 | 210028 |
9 | 559322 |
10 | -50827005 |
11 | 106120692 |
12 | 17584275654 |
13 | -154934766198 |
14 | -8006009893245 |
15 | 152561646167328 |
16 | 4407064919207640 |
17 | -159846661630850958 |
18 | -2597264235213998553 |
[0,2,-1,-4,18,146,-1425,-7592,210028,559322, -50827005,106120692,17584275654,-154934766198, -8006009893245,152561646167328,4407064919207640, -159846661630850958,-2597264235213998553] |