n | a(n) |
---|---|
1 | 1 |
2 | 16 |
3 | 400 |
4 | 13600 |
5 | 584800 |
6 | 30409600 |
7 | 1854985600 |
8 | 129848992000 |
9 | 10258070368000 |
10 | 902710192384000 |
11 | 87562888661248000 |
12 | 9281666198092288000 |
13 | 1067391612780613120000 |
14 | 132356559984796026880000 |
15 | 17603422477977871575040000 |
16 | 2499685991872857763655680000 |
17 | 377452584772801522312007680000 |
[1,16,400,13600,584800,30409600,1854985600, 129848992000,10258070368000,902710192384000, 87562888661248000,9281666198092288000, 1067391612780613120000,132356559984796026880000, 17603422477977871575040000, 2499685991872857763655680000, 377452584772801522312007680000] |