n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 4416 |
8 | 31416 |
9 | 244848 |
10 | 2051440 |
11 | 19937544 |
12 | 199909750 |
13 | 2216470260 |
14 | 25839182598 |
15 | 333498017906 |
16 | 4555645851472 |
[1,2,6,24,120,720,4416,31416,244848,2051440, 19937544,199909750,2216470260,25839182598, 333498017906,4555645851472] |