n | a(n) |
---|---|
0 | -1 |
1 | 4 |
2 | 284 |
3 | 8464 |
4 | -42256 |
5 | 322624 |
6 | 4935104 |
7 | 47997184 |
8 | -485499136 |
9 | 7142278144 |
10 | 39980801024 |
11 | 125848981504 |
12 | -2501476028416 |
13 | 97421005963264 |
14 | 60463578988544 |
15 | 16045087719424 |
16 | 13889461750267904 |
17 | 942837644226985984 |
18 | -3160296751934734336 |
19 | 18357422585040338944 |
[-1,4,284,8464,-42256,322624,4935104,47997184, -485499136,7142278144,39980801024,125848981504, -2501476028416,97421005963264,60463578988544, 16045087719424,13889461750267904, 942837644226985984,-3160296751934734336, 18357422585040338944] |