n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 14 |
5 | 85 |
6 | 598 |
7 | 4837 |
8 | 41570 |
9 | 372830 |
10 | 3436289 |
11 | 32373742 |
12 | 310407548 |
13 | 3020894755 |
14 | 29776585115 |
15 | 296777846799 |
16 | 2986882651510 |
17 | 30321553394791 |
[1,1,4,14,85,598,4837,41570,372830,3436289, 32373742,310407548,3020894755,29776585115, 296777846799,2986882651510,30321553394791] |