n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 18 |
4 | 1576 |
5 | 2675100 |
6 | 128235838496 |
7 | 265039489112493900 |
8 | 31306198216486969509375104 |
9 | 278983981168082455883720325976751040 |
10 | 235157286166918393786165504356030195355598048512 |
11 | 23075317400822150539572583950910707053701314350537805923757600 |
[1,1,2,18,1576,2675100,128235838496, 265039489112493900,31306198216486969509375104, 278983981168082455883720325976751040, 235157286166918393786165504356030195355598048512, 23075317400822150539572583950910707053701314350537\ 805923757600] |