n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | -1 |
4 | -6 |
5 | -25 |
6 | -89 |
7 | -280 |
8 | -700 |
9 | -380 |
10 | 13452 |
11 | 149831 |
12 | 1214852 |
13 | 8700263 |
14 | 57515640 |
15 | 351296151 |
16 | 1909757620 |
17 | 8017484274 |
18 | 5703377941 |
19 | -428273438434 |
20 | -7295220035921 |
21 | -89868583754993 |
22 | -970185398785810 |
23 | -9657428906237364 |
[1,0,0,-1,-6,-25,-89,-280,-700,-380,13452,149831, 1214852,8700263,57515640,351296151,1909757620, 8017484274,5703377941,-428273438434, -7295220035921,-89868583754993,-970185398785810, -9657428906237364] |