n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 12 |
3 | 24 |
4 | 720 |
5 | 1440 |
6 | 60480 |
7 | 120960 |
8 | 3628800 |
9 | 7257600 |
10 | 479001600 |
11 | 958003200 |
12 | 2615348736000 |
13 | 5230697472000 |
14 | 31384184832000 |
15 | 62768369664000 |
16 | 32011868528640000 |
17 | 64023737057280000 |
18 | 51090942171709440000 |
19 | 102181884343418880000 |
20 | 33720021833328230400000 |
21 | 67440043666656460800000 |
[1,2,12,24,720,1440,60480,120960,3628800,7257600, 479001600,958003200,2615348736000,5230697472000, 31384184832000,62768369664000,32011868528640000, 64023737057280000,51090942171709440000, 102181884343418880000,33720021833328230400000, 67440043666656460800000] |