n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 0 |
4 | 1 |
5 | 4 |
6 | 0 |
7 | 2 |
8 | 6 |
9 | 8 |
10 | 0 |
11 | 6 |
12 | 19 |
13 | 24 |
14 | 16 |
15 | 0 |
16 | 24 |
17 | 80 |
18 | 110 |
19 | 80 |
20 | 32 |
21 | 0 |
22 | 120 |
23 | 418 |
24 | 615 |
25 | 500 |
26 | 240 |
27 | 64 |
28 | 0 |
29 | 720 |
30 | 2604 |
31 | 4046 |
32 | 3570 |
33 | 1960 |
34 | 672 |
35 | 128 |
36 | 0 |
37 | 5040 |
38 | 18828 |
39 | 30604 |
40 | 28777 |
41 | 17360 |
42 | 6944 |
43 | 1792 |
44 | 256 |
45 | 0 |
46 | 40320 |
47 | 154944 |
48 | 261656 |
49 | 259056 |
50 | 167874 |
51 | 74592 |
52 | 22848 |
53 | 4608 |
54 | 512 |
[1,0,2,0,1,4,0,2,6,8,0,6,19,24,16,0,24,80,110,80, 32,0,120,418,615,500,240,64,0,720,2604,4046,3570, 1960,672,128,0,5040,18828,30604,28777,17360,6944, 1792,256,0,40320,154944,261656,259056,167874, 74592,22848,4608,512] |