n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 1 |
4 | 6 |
5 | 0 |
6 | 15 |
7 | 0 |
8 | 15 |
9 | 0 |
10 | 210 |
11 | 0 |
12 | 495 |
13 | 0 |
14 | 28 |
15 | 1 |
16 | 12870 |
17 | 0 |
18 | 18564 |
19 | 0 |
20 | 495 |
21 | 0 |
22 | 646646 |
23 | 0 |
24 | 125970 |
25 | 0 |
26 | 18564 |
27 | 0 |
28 | 30421755 |
29 | 0 |
30 | 5852925 |
31 | 0 |
32 | 4845 |
33 | 0 |
34 | 735471 |
35 | 0 |
36 | 1251677700 |
37 | 0 |
38 | 134596 |
39 | 0 |
40 | 62852101650 |
41 | 0 |
42 | 11058116888 |
43 | 0 |
44 | 10626 |
45 | 0 |
46 | 7890371113950 |
47 | 0 |
[1,2,1,6,0,15,0,15,0,210,0,495,0,28,1,12870,0, 18564,0,495,0,646646,0,125970,0,18564,0,30421755, 0,5852925,0,4845,0,735471,0,1251677700,0,134596,0, 62852101650,0,11058116888,0,10626,0,7890371113950, 0] |