n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 2 |
5 | 2 |
6 | 0 |
7 | 3 |
8 | 8 |
9 | 6 |
10 | 0 |
11 | 5 |
12 | 24 |
13 | 42 |
14 | 24 |
15 | 0 |
16 | 7 |
17 | 60 |
18 | 198 |
19 | 264 |
20 | 120 |
21 | 0 |
22 | 11 |
23 | 144 |
24 | 780 |
25 | 1848 |
26 | 1920 |
27 | 720 |
28 | 0 |
29 | 15 |
30 | 320 |
31 | 2778 |
32 | 10512 |
33 | 18840 |
34 | 15840 |
35 | 5040 |
36 | 0 |
37 | 22 |
38 | 702 |
39 | 9342 |
40 | 53184 |
41 | 146760 |
42 | 208080 |
43 | 146160 |
44 | 40320 |
45 | 0 |
46 | 30 |
47 | 1486 |
48 | 30186 |
49 | 250128 |
50 | 999720 |
51 | 2129040 |
52 | 2479680 |
53 | 1491840 |
54 | 362880 |
[1,0,1,0,2,2,0,3,8,6,0,5,24,42,24,0,7,60,198,264, 120,0,11,144,780,1848,1920,720,0,15,320,2778, 10512,18840,15840,5040,0,22,702,9342,53184,146760, 208080,146160,40320,0,30,1486,30186,250128,999720, 2129040,2479680,1491840,362880] |