n | a(n) |
---|---|
2 | 1 |
3 | 1 |
4 | 2 |
5 | 1 |
6 | 9 |
7 | 6 |
8 | 1 |
9 | 40 |
10 | 60 |
11 | 24 |
12 | 1 |
13 | 195 |
14 | 560 |
15 | 420 |
16 | 120 |
17 | 1 |
18 | 1056 |
19 | 5550 |
20 | 6240 |
21 | 3240 |
22 | 720 |
23 | 1 |
24 | 6321 |
25 | 59472 |
26 | 94710 |
27 | 68880 |
28 | 27720 |
29 | 5040 |
30 | 1 |
31 | 41392 |
32 | 692440 |
33 | 1527456 |
34 | 1426320 |
35 | 792960 |
36 | 262080 |
37 | 40320 |
38 | 1 |
39 | 293607 |
40 | 8753040 |
41 | 26418168 |
42 | 30560544 |
43 | 21213360 |
44 | 9676800 |
45 | 2721600 |
46 | 362880 |
47 | 1 |
48 | 2237920 |
49 | 119723130 |
50 | 490458240 |
51 | 691331760 |
52 | 570810240 |
53 | 323114400 |
54 | 125798400 |
55 | 30844800 |
56 | 3628800 |
[1,1,2,1,9,6,1,40,60,24,1,195,560,420,120,1,1056, 5550,6240,3240,720,1,6321,59472,94710,68880,27720, 5040,1,41392,692440,1527456,1426320,792960,262080, 40320,1,293607,8753040,26418168,30560544,21213360, 9676800,2721600,362880,1,2237920,119723130, 490458240,691331760,570810240,323114400,125798400, 30844800,3628800] |