n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 20 |
4 | 401 |
5 | 35202 |
6 | 7942712 |
7 | 5423213789 |
8 | 10714890351493 |
9 | 61977591097741664 |
10 | 1045534716234234877628 |
11 | 51543884247862488090471612 |
[1,1,20,401,35202,7942712,5423213789, 10714890351493,61977591097741664, 1045534716234234877628,51543884247862488090471612] |