n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 6 |
4 | 8 |
5 | 120 |
6 | 12 |
7 | 5040 |
8 | 384 |
9 | 324 |
10 | 80 |
11 | 39916800 |
12 | 144 |
13 | 6227020800 |
14 | 672 |
15 | 90 |
16 | 10321920 |
17 | 355687428096000 |
18 | 2592 |
19 | 121645100408832000 |
20 | 1600 |
21 | 756 |
22 | 84480 |
23 | 25852016738884976640000 |
24 | 62208 |
25 | 9000000 |
26 | 1198080 |
27 | 14285134080 |
28 | 18816 |
[1,2,6,8,120,12,5040,384,324,80,39916800,144, 6227020800,672,90,10321920,355687428096000,2592, 121645100408832000,1600,756,84480, 25852016738884976640000,62208,9000000,1198080, 14285134080,18816] |