n | a(n) |
---|---|
1 | 1 |
2 | 8 |
3 | 105 |
4 | 1920 |
5 | 45045 |
6 | 1290240 |
7 | 43648605 |
8 | 1703116800 |
9 | 75293843625 |
10 | 3719607091200 |
11 | 203067496256625 |
12 | 12140797545676800 |
13 | 788917222956988125 |
14 | 55362036808286208000 |
15 | 4172583192219510193125 |
16 | 336158287499913854976000 |
[1,8,105,1920,45045,1290240,43648605,1703116800, 75293843625,3719607091200,203067496256625, 12140797545676800,788917222956988125, 55362036808286208000,4172583192219510193125, 336158287499913854976000] |