n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 12 |
3 | 24 |
4 | 180 |
5 | 1056 |
6 | 2592 |
7 | 15552 |
8 | 46656 |
9 | 544320 |
10 | 20528640 |
11 | 238085568 |
12 | 3547348992 |
13 | 46438023168 |
14 | 599501979648 |
[1,4,12,24,180,1056,2592,15552,46656,544320, 20528640,238085568,3547348992,46438023168, 599501979648] |