n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 24 |
5 | 120 |
6 | 720 |
7 | 5040 |
8 | 35280 |
9 | 246960 |
10 | 1573200 |
11 | 9376680 |
12 | 53715384 |
13 | 302432574 |
14 | 1701740006 |
15 | 9682617631 |
16 | 56153444761 |
17 | 329186004844 |
18 | 1939175437540 |
19 | 11433268461744 |
20 | 67308307316544 |
21 | 395239738691520 |
22 | 2315040687288576 |
[1,2,6,24,120,720,5040,35280,246960,1573200, 9376680,53715384,302432574,1701740006,9682617631, 56153444761,329186004844,1939175437540, 11433268461744,67308307316544,395239738691520, 2315040687288576] |