n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | -1 |
3 | 30 |
4 | -12 |
5 | 1 |
6 | 210 |
7 | -126 |
8 | 21 |
9 | -1 |
10 | 1680 |
11 | -1344 |
12 | 336 |
13 | -32 |
14 | 1 |
15 | 15120 |
16 | -15120 |
17 | 5040 |
18 | -720 |
19 | 45 |
20 | -1 |
21 | 151200 |
22 | -181440 |
23 | 75600 |
24 | -14400 |
25 | 1350 |
26 | -60 |
27 | 1 |
28 | 1663200 |
29 | -2328480 |
30 | 1164240 |
31 | -277200 |
32 | 34650 |
33 | -2310 |
34 | 77 |
35 | -1 |
36 | 19958400 |
37 | -31933440 |
[1,5,-1,30,-12,1,210,-126,21,-1,1680,-1344,336, -32,1,15120,-15120,5040,-720,45,-1,151200,-181440, 75600,-14400,1350,-60,1,1663200,-2328480,1164240, -277200,34650,-2310,77,-1,19958400,-31933440] |