Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 8 |
4 | 38 |
5 | 196 |
6 | 1073 |
7 | 6120 |
8 | 35968 |
9 | 216304 |
10 | 1324676 |
11 | 8232981 |
12 | 51796538 |
13 | 329229344 |
14 | 2111031444 |
15 | 13638557196 |
16 | 88695018723 |
17 | 580153216512 |
18 | 3814285704000 |
19 | 25192499164320 |
20 | 167075960048996 |
21 | 1112162062296061 |
22 | 7428213584196010 |
23 | 49766086788057256 |
[1,1,2,8,38,196,1073,6120,35968,216304,1324676, 8232981,51796538,329229344,2111031444,13638557196, 88695018723,580153216512,3814285704000, 25192499164320,167075960048996,1112162062296061, 7428213584196010,49766086788057256] |