n | a(n) |
---|---|
0 | 0 |
1 | 8640 |
2 | 172800 |
3 | 1512000 |
4 | 8467200 |
5 | 35562240 |
6 | 121927680 |
7 | 359251200 |
8 | 940896000 |
9 | 2242468800 |
10 | 4947022080 |
11 | 10231341120 |
12 | 20033395200 |
13 | 37425024000 |
14 | 67118284800 |
15 | 116138603520 |
16 | 194702952960 |
17 | 317346724800 |
18 | 504348768000 |
19 | 783510235200 |
[0,8640,172800,1512000,8467200,35562240,121927680, 359251200,940896000,2242468800,4947022080, 10231341120,20033395200,37425024000,67118284800, 116138603520,194702952960,317346724800, 504348768000,783510235200] |