n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 12 |
4 | 30 |
5 | 20 |
6 | 1 |
7 | 60 |
8 | 690 |
9 | 2940 |
10 | 5670 |
11 | 5040 |
12 | 1680 |
13 | 1 |
14 | 252 |
15 | 8730 |
16 | 103820 |
17 | 581700 |
18 | 1767360 |
19 | 3087000 |
20 | 3099600 |
21 | 1663200 |
22 | 369600 |
23 | 1 |
24 | 1020 |
25 | 94890 |
26 | 2615340 |
27 | 32186070 |
28 | 214628400 |
29 | 859992000 |
30 | 2189325600 |
31 | 3628409400 |
32 | 3903900000 |
33 | 2630628000 |
34 | 1009008000 |
35 | 168168000 |
36 | 1 |
37 | 4092 |
38 | 979530 |
39 | 58061420 |
40 | 1411122300 |
[1,1,12,30,20,1,60,690,2940,5670,5040,1680,1,252, 8730,103820,581700,1767360,3087000,3099600, 1663200,369600,1,1020,94890,2615340,32186070, 214628400,859992000,2189325600,3628409400, 3903900000,2630628000,1009008000,168168000,1,4092, 979530,58061420,1411122300] |