n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | -1 |
3 | -5 |
4 | -15 |
5 | -93 |
6 | -551 |
7 | -4129 |
8 | -33607 |
9 | -312929 |
10 | -3179343 |
11 | -35602881 |
12 | -432201743 |
13 | -5678740945 |
14 | -80142780751 |
15 | -1210609725905 |
16 | -19481112885231 |
17 | -332836223507793 |
18 | -6016678424942063 |
19 | -114746996449871761 |
20 | -2302527084416470255 |
21 | -48495552665272893329 |
[1,-1,-1,-5,-15,-93,-551,-4129,-33607,-312929, -3179343,-35602881,-432201743,-5678740945, -80142780751,-1210609725905,-19481112885231, -332836223507793,-6016678424942063, -114746996449871761,-2302527084416470255, -48495552665272893329] |