n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 24 |
3 | 720 |
4 | 4480 |
5 | 3628800 |
6 | 68428800 |
7 | 118609920 |
8 | 20922789888000 |
9 | 6402373705728000 |
10 | 115852476579840000 |
11 | 1124000727777607680000 |
12 | 1909072005333044428800 |
13 | 1148978521728221184000000 |
14 | 12195533784468554420060160000 |
15 | 53050571962438211727261696000000 |
16 | 7973661725263440308097515520000000 |
[1,2,24,720,4480,3628800,68428800,118609920, 20922789888000,6402373705728000, 115852476579840000,1124000727777607680000, 1909072005333044428800,1148978521728221184000000, 12195533784468554420060160000, 53050571962438211727261696000000, 7973661725263440308097515520000000] |