n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 0 |
5 | 2 |
6 | 0 |
7 | 6 |
8 | 0 |
9 | 6 |
10 | 24 |
11 | 0 |
12 | 24 |
13 | 0 |
14 | 24 |
15 | 0 |
16 | 120 |
17 | 0 |
18 | 120 |
19 | 0 |
20 | 120 |
21 | 720 |
22 | 0 |
23 | 720 |
24 | 0 |
25 | 720 |
26 | 0 |
27 | 720 |
28 | 0 |
29 | 5040 |
30 | 0 |
31 | 5040 |
32 | 0 |
33 | 5040 |
34 | 0 |
35 | 5040 |
[1,0,1,2,0,2,0,6,0,6,24,0,24,0,24,0,120,0,120,0, 120,720,0,720,0,720,0,720,0,5040,0,5040,0,5040,0, 5040] |