n | a(n) |
---|---|
1 | 1 |
2 | -3 |
3 | 2 |
4 | 12 |
5 | -24 |
6 | 6 |
7 | -60 |
8 | 280 |
9 | -180 |
10 | 24 |
11 | 360 |
12 | -3600 |
13 | 4500 |
14 | -1440 |
15 | 120 |
16 | -2520 |
17 | 52080 |
18 | -113400 |
19 | 65520 |
20 | -12600 |
21 | 720 |
22 | 20160 |
23 | -846720 |
24 | 3034080 |
25 | -2822400 |
26 | 940800 |
27 | -120960 |
28 | 5040 |
29 | -181440 |
30 | 15361920 |
31 | -87635520 |
32 | 123451776 |
33 | -63504000 |
34 | 13789440 |
35 | -1270080 |
36 | 40320 |
[1,-3,2,12,-24,6,-60,280,-180,24,360,-3600,4500, -1440,120,-2520,52080,-113400,65520,-12600,720, 20160,-846720,3034080,-2822400,940800,-120960, 5040,-181440,15361920,-87635520,123451776, -63504000,13789440,-1270080,40320] |