n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 8 |
5 | 43 |
6 | 283 |
7 | 1946 |
8 | 14010 |
9 | 103292 |
10 | 776784 |
11 | 5931402 |
12 | 45870248 |
13 | 358501321 |
14 | 2827227425 |
15 | 22469524972 |
16 | 179785568562 |
17 | 1447059691048 |
18 | 11708296894260 |
19 | 95176461591230 |
20 | 776935668014674 |
21 | 6366225809581766 |
22 | 52344041948585714 |
[0,1,2,8,43,283,1946,14010,103292,776784,5931402, 45870248,358501321,2827227425,22469524972, 179785568562,1447059691048,11708296894260, 95176461591230,776935668014674,6366225809581766, 52344041948585714] |