n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 2 |
4 | 2 |
5 | -6 |
6 | 6 |
7 | -6 |
8 | 22 |
9 | -36 |
10 | 24 |
11 | 24 |
12 | -100 |
13 | 210 |
14 | -240 |
15 | 120 |
16 | -120 |
17 | 548 |
18 | -1350 |
19 | 2040 |
20 | -1800 |
21 | 720 |
22 | 720 |
23 | -3528 |
24 | 9744 |
25 | -17640 |
26 | 21000 |
27 | -15120 |
28 | 5040 |
29 | -5040 |
30 | 26136 |
31 | -78792 |
32 | 162456 |
33 | -235200 |
34 | 231840 |
35 | -141120 |
36 | 40320 |
37 | 40320 |
38 | -219168 |
39 | 708744 |
40 | -1614816 |
41 | 2693880 |
42 | -3265920 |
43 | 2751840 |
44 | -1451520 |
45 | 362880 |
[1,-1,2,2,-6,6,-6,22,-36,24,24,-100,210,-240,120, -120,548,-1350,2040,-1800,720,720,-3528,9744, -17640,21000,-15120,5040,-5040,26136,-78792, 162456,-235200,231840,-141120,40320,40320,-219168, 708744,-1614816,2693880,-3265920,2751840,-1451520, 362880] |