n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | 2 |
6 | 0 |
7 | 6 |
8 | 3 |
9 | 0 |
10 | 24 |
11 | 20 |
12 | 0 |
13 | 120 |
14 | 130 |
15 | 15 |
16 | 0 |
17 | 720 |
18 | 924 |
19 | 210 |
20 | 0 |
21 | 5040 |
22 | 7308 |
23 | 2380 |
24 | 105 |
25 | 0 |
26 | 40320 |
27 | 64224 |
28 | 26432 |
29 | 2520 |
30 | 0 |
31 | 362880 |
32 | 623376 |
33 | 303660 |
34 | 44100 |
35 | 945 |
36 | 0 |
37 | 3628800 |
38 | 6636960 |
39 | 3678840 |
40 | 705320 |
41 | 34650 |
42 | 0 |
43 | 39916800 |
44 | 76998240 |
45 | 47324376 |
46 | 11098780 |
47 | 866250 |
48 | 10395 |
[1,0,0,1,0,2,0,6,3,0,24,20,0,120,130,15,0,720,924, 210,0,5040,7308,2380,105,0,40320,64224,26432,2520, 0,362880,623376,303660,44100,945,0,3628800, 6636960,3678840,705320,34650,0,39916800,76998240, 47324376,11098780,866250,10395] |