n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | -1 |
3 | 12 |
4 | -8 |
5 | 1 |
6 | 60 |
7 | -60 |
8 | 15 |
9 | -1 |
10 | 360 |
11 | -480 |
12 | 180 |
13 | -24 |
14 | 1 |
15 | 2520 |
16 | -4200 |
17 | 2100 |
18 | -420 |
19 | 35 |
20 | -1 |
21 | 20160 |
22 | -40320 |
23 | 25200 |
24 | -6720 |
25 | 840 |
26 | -48 |
27 | 1 |
28 | 181440 |
29 | -423360 |
30 | 317520 |
31 | -105840 |
32 | 17640 |
33 | -1512 |
34 | 63 |
35 | -1 |
36 | 1814400 |
37 | -4838400 |
38 | 4233600 |
[1,3,-1,12,-8,1,60,-60,15,-1,360,-480,180,-24,1, 2520,-4200,2100,-420,35,-1,20160,-40320,25200, -6720,840,-48,1,181440,-423360,317520,-105840, 17640,-1512,63,-1,1814400,-4838400,4233600] |