n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | -3 |
3 | 7 |
4 | -16 |
5 | 40 |
6 | -117 |
7 | 411 |
8 | -1720 |
9 | 8384 |
10 | -46561 |
11 | 289595 |
12 | -1991504 |
13 | 14993108 |
14 | -122595085 |
15 | 1081616659 |
16 | -10239597968 |
17 | 103522029312 |
18 | -1113074512289 |
19 | 12681693805203 |
20 | -152613117638712 |
21 | 1934275341388596 |
22 | -25753344727083773 |
[0,1,-3,7,-16,40,-117,411,-1720,8384,-46561, 289595,-1991504,14993108,-122595085,1081616659, -10239597968,103522029312,-1113074512289, 12681693805203,-152613117638712,1934275341388596, -25753344727083773] |