n | a(n) |
---|---|
1 | -1 |
2 | 2 |
3 | -2 |
4 | -6 |
5 | 9 |
6 | -3 |
7 | 24 |
8 | -44 |
9 | 24 |
10 | -4 |
11 | -120 |
12 | 250 |
13 | -175 |
14 | 50 |
15 | -5 |
16 | 720 |
17 | -1644 |
18 | 1350 |
19 | -510 |
20 | 90 |
21 | -6 |
22 | -5040 |
23 | 12348 |
24 | -11368 |
25 | 5145 |
26 | -1225 |
27 | 147 |
28 | -7 |
29 | 40320 |
30 | -104544 |
31 | 105056 |
32 | -54152 |
33 | 15680 |
34 | -2576 |
35 | 224 |
36 | -8 |
37 | -362880 |
38 | 986256 |
39 | -1063116 |
40 | 605556 |
41 | -202041 |
42 | 40824 |
43 | -4914 |
44 | 324 |
45 | -9 |
46 | 3628800 |
47 | -10265760 |
48 | 11727000 |
49 | -7236800 |
[-1,2,-2,-6,9,-3,24,-44,24,-4,-120,250,-175,50,-5, 720,-1644,1350,-510,90,-6,-5040,12348,-11368,5145, -1225,147,-7,40320,-104544,105056,-54152,15680, -2576,224,-8,-362880,986256,-1063116,605556, -202041,40824,-4914,324,-9,3628800,-10265760, 11727000,-7236800] |