n | a(n) |
---|---|
0 | 1 |
1 | 30 |
2 | 322 |
3 | -25020 |
4 | -1308948 |
5 | 18577800 |
6 | 4340193720 |
7 | 65778001200 |
8 | -15587083755120 |
9 | -771769990202400 |
10 | 57930909988062240 |
11 | 6198757843011739200 |
12 | -182361990413747545920 |
13 | -48465444111541849468800 |
14 | -83695327377356424021120 |
15 | 389671513929275953180896000 |
[1,30,322,-25020,-1308948,18577800,4340193720, 65778001200,-15587083755120,-771769990202400, 57930909988062240,6198757843011739200, -182361990413747545920,-48465444111541849468800, -83695327377356424021120, 389671513929275953180896000] |