n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -2 |
3 | 7 |
4 | -28 |
5 | 141 |
6 | -846 |
7 | 5923 |
8 | -47384 |
9 | 426457 |
10 | -4264570 |
11 | 46910271 |
12 | -562923252 |
13 | 7318002277 |
14 | -102452031878 |
15 | 1536780478171 |
16 | -24588487650736 |
17 | 418004290062513 |
18 | -7524077221125234 |
19 | 142957467201379447 |
20 | -2859149344027588940 |
21 | 60042136224579367741 |
[0,1,-2,7,-28,141,-846,5923,-47384,426457, -4264570,46910271,-562923252,7318002277, -102452031878,1536780478171,-24588487650736, 418004290062513,-7524077221125234, 142957467201379447,-2859149344027588940, 60042136224579367741] |