n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | -3 |
4 | 8 |
5 | -30 |
6 | 136 |
7 | -693 |
8 | 3968 |
9 | -25260 |
10 | 176896 |
11 | -1351383 |
12 | 11184128 |
13 | -99680490 |
14 | 951878656 |
15 | -9695756073 |
16 | 104932671488 |
17 | -1202439837720 |
18 | 14544442556416 |
19 | -185185594118763 |
20 | 2475749026562048 |
21 | -34674437196568950 |
[1,0,1,-3,8,-30,136,-693,3968,-25260,176896, -1351383,11184128,-99680490,951878656,-9695756073, 104932671488,-1202439837720,14544442556416, -185185594118763,2475749026562048, -34674437196568950] |