n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -1 |
3 | -6 |
4 | -15 |
5 | 60 |
6 | 975 |
7 | 5390 |
8 | -10143 |
9 | -563976 |
10 | -5982945 |
11 | -9594398 |
12 | 788690001 |
13 | 14618418100 |
14 | 85743956207 |
15 | -2026783258890 |
16 | -64627785960767 |
17 | -716881015039504 |
18 | 7211897523161151 |
19 | 458865700394648778 |
[1,0,-1,-6,-15,60,975,5390,-10143,-563976, -5982945,-9594398,788690001,14618418100, 85743956207,-2026783258890,-64627785960767, -716881015039504,7211897523161151, 458865700394648778] |