n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 2 |
4 | -4 |
5 | 1 |
6 | 6 |
7 | -16 |
8 | 8 |
9 | -1 |
10 | 36 |
11 | -108 |
12 | 69 |
13 | -15 |
14 | 1 |
15 | 360 |
16 | -1152 |
17 | 834 |
18 | -230 |
19 | 26 |
20 | -1 |
21 | 5280 |
22 | -17696 |
23 | 14368 |
24 | -4668 |
25 | 682 |
26 | -44 |
27 | 1 |
28 | 147840 |
29 | -506048 |
30 | 426568 |
31 | -147856 |
32 | 24262 |
33 | -1952 |
34 | 73 |
35 | -1 |
36 | 6800640 |
37 | -23573888 |
38 | 20317360 |
[1,-1,2,-4,1,6,-16,8,-1,36,-108,69,-15,1,360, -1152,834,-230,26,-1,5280,-17696,14368,-4668,682, -44,1,147840,-506048,426568,-147856,24262,-1952, 73,-1,6800640,-23573888,20317360] |