n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 4 |
3 | -2 |
4 | -52 |
5 | 358 |
6 | 12 |
7 | -25986 |
8 | 247228 |
9 | 821398 |
10 | -52933300 |
11 | 534428926 |
12 | 6201248220 |
13 | -271179578490 |
14 | 2375560802188 |
15 | 75726973445374 |
16 | -2740636867741828 |
17 | 14280527041851958 |
18 | 1501820173046702796 |
19 | -46939564687781824002 |
20 | -67963035486950641508 |
[1,-2,4,-2,-52,358,12,-25986,247228,821398, -52933300,534428926,6201248220,-271179578490, 2375560802188,75726973445374,-2740636867741828, 14280527041851958,1501820173046702796, -46939564687781824002,-67963035486950641508] |