n | a(n) |
---|---|
8 | 0 |
9 | 75600 |
10 | 1077840 |
11 | 10553640 |
12 | 86272536 |
13 | 636428922 |
14 | 4429638754 |
15 | 29936160747 |
16 | 200258110593 |
17 | 1350025656107 |
18 | 9269884625133 |
19 | 64294692046060 |
20 | 447678000251572 |
21 | 3115603246683600 |
22 | 21610322604575616 |
23 | 149157054284148864 |
24 | 1023951079104952320 |
25 | 6994818732341176704 |
[0,75600,1077840,10553640,86272536,636428922, 4429638754,29936160747,200258110593,1350025656107, 9269884625133,64294692046060,447678000251572, 3115603246683600,21610322604575616, 149157054284148864,1023951079104952320, 6994818732341176704] |