n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 2 |
4 | -4 |
5 | 1 |
6 | 8 |
7 | -20 |
8 | 9 |
9 | -1 |
10 | 48 |
11 | -136 |
12 | 80 |
13 | -16 |
14 | 1 |
15 | 384 |
16 | -1184 |
17 | 820 |
18 | -220 |
19 | 25 |
20 | -1 |
21 | 3840 |
22 | -12608 |
23 | 9784 |
24 | -3160 |
25 | 490 |
26 | -36 |
27 | 1 |
28 | 46080 |
29 | -158976 |
30 | 134400 |
31 | -49504 |
32 | 9380 |
33 | -952 |
34 | 49 |
35 | -1 |
36 | 645120 |
37 | -2317824 |
38 | 2097024 |
39 | -853440 |
40 | 186704 |
[1,-1,2,-4,1,8,-20,9,-1,48,-136,80,-16,1,384, -1184,820,-220,25,-1,3840,-12608,9784,-3160,490, -36,1,46080,-158976,134400,-49504,9380,-952,49,-1, 645120,-2317824,2097024,-853440,186704] |