n | a(n) |
---|---|
2 | 2 |
3 | 6 |
4 | 33 |
5 | 203 |
6 | 1050 |
7 | 6300 |
8 | 39142 |
9 | 255212 |
10 | 1698526 |
11 | 11430659 |
12 | 78113783 |
13 | 540745743 |
14 | 3778368007 |
15 | 26622561517 |
16 | 188999975971 |
[2,6,33,203,1050,6300,39142,255212,1698526, 11430659,78113783,540745743,3778368007, 26622561517,188999975971] |