n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 3 |
5 | 1 |
6 | 0 |
7 | 19 |
8 | 6 |
9 | 2 |
10 | 0 |
11 | 175 |
12 | 51 |
13 | 24 |
14 | 6 |
15 | 0 |
16 | 2101 |
17 | 580 |
18 | 300 |
19 | 120 |
20 | 24 |
21 | 0 |
22 | 31031 |
23 | 8265 |
24 | 4360 |
25 | 2160 |
26 | 720 |
27 | 120 |
28 | 0 |
29 | 543607 |
30 | 141246 |
31 | 74130 |
32 | 41160 |
33 | 17640 |
34 | 5040 |
35 | 720 |
36 | 0 |
37 | 11012415 |
38 | 2810437 |
39 | 1456224 |
40 | 861420 |
41 | 430080 |
42 | 161280 |
43 | 40320 |
44 | 5040 |
[1,0,1,0,3,1,0,19,6,2,0,175,51,24,6,0,2101,580, 300,120,24,0,31031,8265,4360,2160,720,120,0, 543607,141246,74130,41160,17640,5040,720,0, 11012415,2810437,1456224,861420,430080,161280, 40320,5040] |