n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 36 |
5 | 480 |
6 | 15000 |
7 | 1134000 |
8 | 211768200 |
9 | 99131719680 |
10 | 117595223746560 |
11 | 356467003200000000 |
12 | 2779532232516963000000 |
13 | 56049508602150185041920000 |
14 | 2935889842347365340037522521600 |
[1,2,6,36,480,15000,1134000,211768200,99131719680, 117595223746560,356467003200000000, 2779532232516963000000,56049508602150185041920000, 2935889842347365340037522521600] |