n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 19 |
4 | 97 |
5 | 581 |
6 | 3661 |
7 | 26335 |
8 | 202049 |
9 | 1659817 |
10 | 14621941 |
11 | 135567851 |
12 | 1326672865 |
13 | 13624218349 |
14 | 146056961597 |
15 | 1633376573431 |
16 | 18980051829121 |
17 | 228677164878545 |
18 | 2852155973178469 |
19 | 36740599423566787 |
20 | 488127224550517601 |
21 | 6678832987859315221 |
[1,1,5,19,97,581,3661,26335,202049,1659817, 14621941,135567851,1326672865,13624218349, 146056961597,1633376573431,18980051829121, 228677164878545,2852155973178469, 36740599423566787,488127224550517601, 6678832987859315221] |