n | a(n) |
---|---|
0 | 1 |
1 | 14 |
2 | 168 |
3 | 2016 |
4 | 25200 |
5 | 332640 |
6 | 4656960 |
7 | 69189120 |
8 | 1089728640 |
9 | 18162144000 |
10 | 319653734400 |
11 | 5928123801600 |
12 | 115598414131200 |
13 | 2365321396838400 |
14 | 50685458503680000 |
15 | 1135354270482432000 |
16 | 26538906072526848000 |
17 | 646300418472124416000 |
18 | 16372943934627151872000 |
[1,14,168,2016,25200,332640,4656960,69189120, 1089728640,18162144000,319653734400,5928123801600, 115598414131200,2365321396838400, 50685458503680000,1135354270482432000, 26538906072526848000,646300418472124416000, 16372943934627151872000] |