n | a(n) |
---|---|
0 | 2 |
1 | 6 |
2 | 30 |
3 | 222 |
4 | 2190 |
5 | 27006 |
6 | 399630 |
7 | 6899262 |
8 | 136125390 |
9 | 3021538686 |
10 | 74520313230 |
11 | 2021686771902 |
12 | 59833117024590 |
13 | 1918366107872766 |
14 | 66237821635330830 |
15 | 2450438532592334142 |
16 | 96696400596369539790 |
[2,6,30,222,2190,27006,399630,6899262,136125390, 3021538686,74520313230,2021686771902, 59833117024590,1918366107872766,66237821635330830, 2450438532592334142,96696400596369539790] |