n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 37 |
5 | 266 |
6 | 2963 |
7 | 38785 |
8 | 662308 |
9 | 12622637 |
10 | 290982959 |
11 | 8451128448 |
12 | 262275964847 |
13 | 9712661827787 |
14 | 398481410904114 |
15 | 17144413330704689 |
16 | 806185907954024497 |
17 | 42744997534894003030 |
18 | 2522761040466700203267 |
19 | 153931168466003606402317 |
20 | 10315911048262708329158506 |
[1,2,7,37,266,2963,38785,662308,12622637, 290982959,8451128448,262275964847,9712661827787, 398481410904114,17144413330704689, 806185907954024497,42744997534894003030, 2522761040466700203267,153931168466003606402317, 10315911048262708329158506] |