n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -2 |
3 | 9 |
4 | 32 |
5 | -285 |
6 | -1236 |
7 | 18725 |
8 | 86176 |
9 | -2087001 |
10 | -9204580 |
11 | 351964569 |
12 | 1336442304 |
13 | -83422970917 |
14 | -231889447076 |
15 | 26389118293005 |
16 | 35917342192064 |
17 | -10722110983670193 |
18 | 5028963509133756 |
19 | 5432569724760331841 |
20 | -14852185163192897120 |
21 | -3352369390318855889661 |
[1,-1,-2,9,32,-285,-1236,18725,86176,-2087001, -9204580,351964569,1336442304,-83422970917, -231889447076,26389118293005,35917342192064, -10722110983670193,5028963509133756, 5432569724760331841,-14852185163192897120, -3352369390318855889661] |