n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 0 |
5 | 2 |
6 | 6 |
7 | 0 |
8 | 2 |
9 | 24 |
10 | 24 |
11 | 0 |
12 | 2 |
13 | 152 |
14 | 792 |
15 | 120 |
16 | 0 |
17 | 2 |
18 | 894 |
19 | 30488 |
20 | 39360 |
21 | 720 |
22 | 0 |
23 | 2 |
24 | 5748 |
25 | 1584088 |
26 | 18437120 |
27 | 2396880 |
28 | 5040 |
29 | 0 |
30 | 2 |
31 | 38296 |
32 | 90246168 |
33 | 10856237680 |
34 | 13734486480 |
35 | 241012800 |
36 | 40320 |
37 | 0 |
38 | 2 |
39 | 263484 |
40 | 5533645144 |
41 | 7213744082208 |
[1,0,2,0,2,6,0,2,24,24,0,2,152,792,120,0,2,894, 30488,39360,720,0,2,5748,1584088,18437120,2396880, 5040,0,2,38296,90246168,10856237680,13734486480, 241012800,40320,0,2,263484,5533645144, 7213744082208] |