n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 3 |
4 | -2 |
5 | -15 |
6 | 20 |
7 | -6 |
8 | 105 |
9 | -210 |
10 | 40 |
11 | 90 |
12 | -24 |
13 | -945 |
14 | 2520 |
15 | -1120 |
16 | -1260 |
17 | 420 |
18 | 504 |
19 | -120 |
20 | 10395 |
21 | -34650 |
22 | 25200 |
23 | 18900 |
24 | -2240 |
25 | -15120 |
26 | -9072 |
27 | 1260 |
28 | 2688 |
29 | 3360 |
30 | -720 |
31 | -135135 |
32 | 540540 |
33 | -554400 |
34 | -311850 |
35 | 123200 |
36 | 415800 |
37 | 166320 |
38 | -50400 |
39 | -56700 |
40 | -120960 |
41 | -75600 |
42 | 18144 |
43 | 20160 |
44 | 25920 |
45 | -5040 |
[1,-1,3,-2,-15,20,-6,105,-210,40,90,-24,-945,2520, -1120,-1260,420,504,-120,10395,-34650,25200,18900, -2240,-15120,-9072,1260,2688,3360,-720,-135135, 540540,-554400,-311850,123200,415800,166320, -50400,-56700,-120960,-75600,18144,20160,25920, -5040] |