n | a(n) |
---|---|
0 | 6 |
1 | 48 |
2 | 390 |
3 | 3216 |
4 | 26844 |
5 | 229584 |
6 | 2006736 |
7 | 17809008 |
8 | 159799812 |
9 | 1446245424 |
10 | 13181330772 |
11 | 120849559824 |
12 | 1113598633188 |
[6,48,390,3216,26844,229584,2006736,17809008, 159799812,1446245424,13181330772,120849559824, 1113598633188] |