n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 7 |
4 | 59 |
5 | 354 |
6 | 7265 |
7 | 107611 |
8 | 5388959 |
9 | 194626082 |
10 | 23726658020 |
11 | 2082243229557 |
12 | 617263247981529 |
13 | 131451761499759800 |
14 | 94681989011284774859 |
15 | 48894324154695455938601 |
[1,3,7,59,354,7265,107611,5388959,194626082, 23726658020,2082243229557,617263247981529, 131451761499759800,94681989011284774859, 48894324154695455938601] |