n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 4 |
3 | 16 |
4 | 96 |
5 | 288 |
6 | 1440 |
7 | 5760 |
8 | 23040 |
9 | 92160 |
10 | 552960 |
11 | 1658880 |
12 | 7299072 |
13 | 36495360 |
14 | 109486080 |
15 | 510935040 |
16 | 2043740160 |
17 | 7664025600 |
18 | 28740096000 |
19 | 114960384000 |
20 | 459841536000 |
21 | 1839366144000 |
22 | 8583708672000 |
23 | 38626689024000 |
[0,1,4,16,96,288,1440,5760,23040,92160,552960, 1658880,7299072,36495360,109486080,510935040, 2043740160,7664025600,28740096000,114960384000, 459841536000,1839366144000,8583708672000, 38626689024000] |