n | a(n) |
---|---|
1 | -1 |
2 | -2 |
3 | 2 |
4 | -4 |
5 | 10 |
6 | -6 |
7 | -8 |
8 | 38 |
9 | -54 |
10 | 24 |
11 | -16 |
12 | 130 |
13 | -330 |
14 | 336 |
15 | -120 |
16 | -32 |
17 | 422 |
18 | -1710 |
19 | 3000 |
20 | -2400 |
21 | 720 |
22 | -64 |
23 | 1330 |
24 | -8106 |
25 | 21840 |
26 | -29400 |
27 | 19440 |
28 | -5040 |
29 | -128 |
30 | 4118 |
31 | -36414 |
32 | 141624 |
33 | -285600 |
34 | 312480 |
35 | -176400 |
36 | 40320 |
[-1,-2,2,-4,10,-6,-8,38,-54,24,-16,130,-330,336, -120,-32,422,-1710,3000,-2400,720,-64,1330,-8106, 21840,-29400,19440,-5040,-128,4118,-36414,141624, -285600,312480,-176400,40320] |