n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -2 |
3 | 7 |
4 | -27 |
5 | 114 |
6 | -506 |
7 | 2322 |
8 | -10919 |
9 | 52316 |
10 | -254369 |
11 | 1251563 |
12 | -6218656 |
13 | 31153743 |
14 | -157167147 |
15 | 797682007 |
16 | -4069817562 |
17 | 20860266354 |
18 | -107358128720 |
19 | 554533772363 |
20 | -2873667741743 |
21 | 14935575580894 |
22 | -77833224795929 |
23 | 406595414780038 |
24 | -2128748177726089 |
25 | 11167899337858904 |
[1,1,-2,7,-27,114,-506,2322,-10919,52316,-254369, 1251563,-6218656,31153743,-157167147,797682007, -4069817562,20860266354,-107358128720, 554533772363,-2873667741743,14935575580894, -77833224795929,406595414780038,-2128748177726089, 11167899337858904] |