n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | -1 |
4 | 24 |
5 | 121 |
6 | -480 |
7 | -4201 |
8 | 48384 |
9 | 478801 |
10 | -4968960 |
11 | -62871601 |
12 | 885586944 |
13 | 12996863881 |
14 | -203910819840 |
15 | -3476839930201 |
16 | 63397697224704 |
17 | 1221998040867361 |
18 | -24917358603141120 |
19 | -537278342731116001 |
[1,1,0,-1,24,121,-480,-4201,48384,478801,-4968960, -62871601,885586944,12996863881,-203910819840, -3476839930201,63397697224704,1221998040867361, -24917358603141120,-537278342731116001] |