n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 14 |
3 | 68 |
4 | 347 |
5 | 1819 |
6 | 9712 |
7 | 52532 |
8 | 286905 |
9 | 1578679 |
10 | 8738278 |
11 | 48601968 |
12 | 271406347 |
13 | 1520725095 |
14 | 8545396208 |
15 | 48138689272 |
16 | 271768537793 |
17 | 1537212749339 |
18 | 8709732836238 |
19 | 49423440297324 |
20 | 280835252080651 |
21 | 1597731101233763 |
[1,3,14,68,347,1819,9712,52532,286905,1578679, 8738278,48601968,271406347,1520725095,8545396208, 48138689272,271768537793,1537212749339, 8709732836238,49423440297324,280835252080651, 1597731101233763] |