n | a(n) |
---|---|
1 | 1 |
2 | 18315 |
3 | 142010 |
4 | 457380 |
5 | 809424 |
6 | 2044350 |
7 | 237600 |
8 | 2494800 |
9 | 2217600 |
10 | 498960 |
11 | 3628800 |
12 | 2910600 |
13 | 0 |
14 | 712800 |
15 | 887040 |
16 | 0 |
17 | 0 |
18 | 0 |
19 | 0 |
20 | 997920 |
21 | 1900800 |
[1,18315,142010,457380,809424,2044350,237600, 2494800,2217600,498960,3628800,2910600,0,712800, 887040,0,0,0,0,997920,1900800] |