n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 3 |
3 | 2 |
4 | -9 |
5 | 19 |
6 | -6 |
7 | 36 |
8 | -103 |
9 | 207 |
10 | 24 |
11 | -180 |
12 | 650 |
13 | -1605 |
14 | 3211 |
15 | -120 |
16 | 1080 |
17 | -4710 |
18 | 13860 |
19 | -32191 |
20 | 64383 |
21 | 720 |
22 | -7560 |
23 | 38640 |
24 | -132300 |
25 | 351722 |
26 | -790629 |
27 | 1581259 |
28 | -5040 |
29 | 60480 |
30 | -354480 |
31 | 1386000 |
32 | -4163166 |
33 | 10433556 |
34 | -22974463 |
35 | 45948927 |
36 | 40320 |
37 | -544320 |
38 | 3598560 |
39 | -15830640 |
40 | 53117064 |
[1,-1,3,2,-9,19,-6,36,-103,207,24,-180,650,-1605, 3211,-120,1080,-4710,13860,-32191,64383,720,-7560, 38640,-132300,351722,-790629,1581259,-5040,60480, -354480,1386000,-4163166,10433556,-22974463, 45948927,40320,-544320,3598560,-15830640,53117064] |