n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | -1 |
4 | 4 |
5 | -29 |
6 | 309 |
7 | -4383 |
8 | 78121 |
9 | -1684706 |
10 | 42801222 |
11 | -1255919755 |
12 | 41918624013 |
13 | -1572257236114 |
14 | 65619165625383 |
15 | -3022617826829288 |
16 | 152615633802149416 |
17 | -8397224009015443509 |
18 | 500957609480739613321 |
[1,1,-1,4,-29,309,-4383,78121,-1684706,42801222, -1255919755,41918624013,-1572257236114, 65619165625383,-3022617826829288, 152615633802149416,-8397224009015443509, 500957609480739613321] |