n | a(n) |
---|---|
2 | 1 |
3 | 160 |
4 | 39900 |
5 | 15120000 |
6 | 8202070800 |
7 | 6058891238400 |
8 | 5860547004312000 |
9 | 7196668193594880000 |
10 | 10944624305020966560000 |
11 | 20199809308312018344960000 |
12 | 44490168120726255724917120000 |
13 | 115290834599202214240544256000000 |
[1,160,39900,15120000,8202070800,6058891238400, 5860547004312000,7196668193594880000, 10944624305020966560000, 20199809308312018344960000, 44490168120726255724917120000, 115290834599202214240544256000000] |