n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 1 |
3 | -2 |
4 | 5 |
5 | -16 |
6 | 61 |
7 | -272 |
8 | 1385 |
9 | -7936 |
10 | 50521 |
11 | -353792 |
12 | 2702765 |
13 | -22368256 |
14 | 199360981 |
15 | -1903757312 |
16 | 19391512145 |
17 | -209865342976 |
18 | 2404879675441 |
19 | -29088885112832 |
20 | 370371188237525 |
21 | -4951498053124096 |
22 | 69348874393137901 |
23 | -1015423886506852352 |
24 | 15514534163557086905 |
[1,-1,1,-2,5,-16,61,-272,1385,-7936,50521,-353792, 2702765,-22368256,199360981,-1903757312, 19391512145,-209865342976,2404879675441, -29088885112832,370371188237525,-4951498053124096, 69348874393137901,-1015423886506852352, 15514534163557086905] |