n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 41 |
4 | 250 |
5 | 1757 |
6 | 13917 |
7 | 122166 |
8 | 1173662 |
9 | 12222605 |
10 | 136927351 |
11 | 1639768418 |
12 | 20880556880 |
13 | 281460326864 |
14 | 4000651782511 |
15 | 59761935358025 |
16 | 935445106491702 |
17 | 15303039199768237 |
18 | 261030618751031385 |
19 | 4632889302298054713 |
[1,2,8,41,250,1757,13917,122166,1173662,12222605, 136927351,1639768418,20880556880,281460326864, 4000651782511,59761935358025,935445106491702, 15303039199768237,261030618751031385, 4632889302298054713] |