n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 2 |
4 | 2 |
5 | 0 |
6 | 4 |
7 | 0 |
8 | 14 |
9 | 0 |
10 | 10 |
11 | 24 |
12 | 0 |
13 | 70 |
14 | 0 |
15 | 26 |
16 | 0 |
17 | 304 |
18 | 0 |
19 | 340 |
20 | 0 |
21 | 76 |
22 | 720 |
23 | 0 |
24 | 2548 |
25 | 0 |
26 | 1540 |
27 | 0 |
28 | 232 |
29 | 0 |
30 | 13488 |
31 | 0 |
32 | 18956 |
33 | 0 |
34 | 7112 |
35 | 0 |
36 | 764 |
37 | 40320 |
38 | 0 |
39 | 161936 |
40 | 0 |
41 | 125580 |
42 | 0 |
43 | 32424 |
44 | 0 |
45 | 2620 |
46 | 0 |
47 | 1011456 |
48 | 0 |
49 | 1648160 |
50 | 0 |
51 | 808248 |
52 | 0 |
53 | 151440 |
54 | 0 |
55 | 9496 |
56 | 3628800 |
[1,0,2,2,0,4,0,14,0,10,24,0,70,0,26,0,304,0,340,0, 76,720,0,2548,0,1540,0,232,0,13488,0,18956,0,7112, 0,764,40320,0,161936,0,125580,0,32424,0,2620,0, 1011456,0,1648160,0,808248,0,151440,0,9496, 3628800] |