n | a(n) |
---|---|
2 | 1 |
3 | 3 |
4 | -13 |
5 | -10 |
6 | 394 |
7 | -2016 |
8 | -5076 |
9 | 170064 |
10 | -1155024 |
11 | -5005440 |
12 | 193724640 |
13 | -1656720000 |
14 | -10280355840 |
15 | 465087087360 |
16 | -4804977542400 |
17 | -39012996556800 |
18 | 2035558551398400 |
19 | -24660231399014400 |
20 | -248246498826547200 |
21 | 14713557956794368000 |
[1,3,-13,-10,394,-2016,-5076,170064,-1155024, -5005440,193724640,-1656720000,-10280355840, 465087087360,-4804977542400,-39012996556800, 2035558551398400,-24660231399014400, -248246498826547200,14713557956794368000] |