n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 9 |
4 | 70 |
5 | 805 |
6 | 12646 |
7 | 257179 |
8 | 6524176 |
9 | 200811433 |
10 | 7340612842 |
11 | 313294235311 |
12 | 15395868322660 |
13 | 861109521894637 |
14 | 54282864059246590 |
15 | 3824491871326292755 |
16 | 298974154411140942856 |
17 | 25767887775430753766353 |
18 | 2434836258338521063652050 |
[1,2,9,70,805,12646,257179,6524176,200811433, 7340612842,313294235311,15395868322660, 861109521894637,54282864059246590, 3824491871326292755,298974154411140942856, 25767887775430753766353,2434836258338521063652050] |