n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 3 |
5 | 2 |
6 | 0 |
7 | 13 |
8 | 18 |
9 | 6 |
10 | 0 |
11 | 73 |
12 | 158 |
13 | 108 |
14 | 24 |
15 | 0 |
16 | 501 |
17 | 1510 |
18 | 1590 |
19 | 720 |
20 | 120 |
21 | 0 |
22 | 4051 |
23 | 15962 |
24 | 23040 |
25 | 15960 |
26 | 5400 |
27 | 720 |
28 | 0 |
29 | 37633 |
30 | 186270 |
31 | 345786 |
32 | 325920 |
33 | 168000 |
34 | 45360 |
35 | 5040 |
36 | 0 |
37 | 394353 |
38 | 2385182 |
39 | 5469492 |
40 | 6579384 |
41 | 4594800 |
42 | 1884960 |
43 | 423360 |
44 | 40320 |
[1,0,1,0,3,2,0,13,18,6,0,73,158,108,24,0,501,1510, 1590,720,120,0,4051,15962,23040,15960,5400,720,0, 37633,186270,345786,325920,168000,45360,5040,0, 394353,2385182,5469492,6579384,4594800,1884960, 423360,40320] |