n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 3 |
6 | 0 |
7 | 2 |
8 | 10 |
9 | 15 |
10 | 0 |
11 | 6 |
12 | 40 |
13 | 105 |
14 | 105 |
15 | 0 |
16 | 24 |
17 | 196 |
18 | 700 |
19 | 1260 |
20 | 945 |
21 | 0 |
22 | 120 |
23 | 1148 |
24 | 5068 |
25 | 12600 |
26 | 17325 |
27 | 10395 |
28 | 0 |
29 | 720 |
30 | 7848 |
31 | 40740 |
32 | 126280 |
33 | 242550 |
34 | 270270 |
35 | 135135 |
36 | 0 |
37 | 5040 |
38 | 61416 |
39 | 363660 |
40 | 1332100 |
41 | 3213210 |
42 | 5045040 |
43 | 4729725 |
44 | 2027025 |
45 | 0 |
46 | 40320 |
47 | 541728 |
48 | 3584856 |
49 | 15020720 |
50 | 43022980 |
51 | 85345260 |
52 | 113513400 |
53 | 91891800 |
54 | 34459425 |
[1,0,1,0,1,3,0,2,10,15,0,6,40,105,105,0,24,196, 700,1260,945,0,120,1148,5068,12600,17325,10395,0, 720,7848,40740,126280,242550,270270,135135,0,5040, 61416,363660,1332100,3213210,5045040,4729725, 2027025,0,40320,541728,3584856,15020720,43022980, 85345260,113513400,91891800,34459425] |