n | a(n) |
---|---|
4 | 1 |
5 | 96 |
6 | 72 |
7 | 14400 |
8 | 16 |
9 | 38400 |
10 | 3456000 |
11 | 1 |
12 | 27000 |
13 | 22104000 |
14 | 1270080000 |
15 | 7200 |
16 | 34905600 |
17 | 16111872000 |
18 | 682795008000 |
19 | 856 |
20 | 21154176 |
21 | 48248363520 |
22 | 15279164006400 |
23 | 516193026048000 |
24 | 48 |
25 | 6064128 |
26 | 54644474880 |
27 | 78083415244800 |
[1,96,72,14400,16,38400,3456000,1,27000,22104000, 1270080000,7200,34905600,16111872000,682795008000, 856,21154176,48248363520,15279164006400, 516193026048000,48,6064128,54644474880, 78083415244800] |