n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 0 |
4 | 2 |
5 | 2 |
6 | 0 |
7 | 0 |
8 | 12 |
9 | 12 |
10 | 0 |
11 | 0 |
12 | 120 |
13 | 120 |
14 | 0 |
15 | 0 |
16 | 1680 |
17 | 1680 |
18 | 0 |
19 | 0 |
20 | 30240 |
21 | 30240 |
22 | 0 |
23 | 0 |
24 | 665280 |
25 | 665280 |
26 | 0 |
27 | 0 |
28 | 17297280 |
29 | 17297280 |
30 | 0 |
31 | 0 |
32 | 518918400 |
33 | 518918400 |
34 | 0 |
35 | 0 |
36 | 17643225600 |
37 | 17643225600 |
38 | 0 |
39 | 0 |
40 | 670442572800 |
41 | 670442572800 |
42 | 0 |
43 | 0 |
44 | 28158588057600 |
[1,0,0,2,2,0,0,12,12,0,0,120,120,0,0,1680,1680,0, 0,30240,30240,0,0,665280,665280,0,0,17297280, 17297280,0,0,518918400,518918400,0,0,17643225600, 17643225600,0,0,670442572800,670442572800,0,0, 28158588057600] |