n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 2240 |
6 | 35840 |
7 | 433040 |
8 | 4862560 |
9 | 51759280 |
10 | 527313040 |
11 | 5218528800 |
12 | 50434399280 |
13 | 478624474160 |
14 | 4473452644480 |
[0,0,0,0,2240,35840,433040,4862560,51759280, 527313040,5218528800,50434399280,478624474160, 4473452644480] |