n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 36 |
5 | 360 |
6 | 6480 |
7 | 220320 |
8 | 14541120 |
9 | 1890345600 |
10 | 487709164800 |
11 | 250682510707200 |
12 | 257200255985587200 |
13 | 527260524770453760000 |
14 | 2160713630509319508480000 |
15 | 17704887488393364052485120000 |
[1,2,6,36,360,6480,220320,14541120,1890345600, 487709164800,250682510707200,257200255985587200, 527260524770453760000,2160713630509319508480000, 17704887488393364052485120000] |