Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 17 |
4 | 56 |
5 | 187 |
6 | 647 |
7 | 2283 |
8 | 8183 |
9 | 29742 |
10 | 109129 |
11 | 403667 |
12 | 1504455 |
13 | 5637671 |
14 | 21235076 |
15 | 80333014 |
16 | 305030726 |
17 | 1162135296 |
18 | 4440424269 |
19 | 17010967118 |
20 | 65320831670 |
21 | 251350805303 |
22 | 969033651846 |
23 | 3742365310049 |
24 | 14475611770191 |
25 | 56073194209612 |
26 | 217494453475571 |
27 | 844640587355439 |
28 | 3283870660839249 |
[1,2,6,17,56,187,647,2283,8183,29742,109129, 403667,1504455,5637671,21235076,80333014, 305030726,1162135296,4440424269,17010967118, 65320831670,251350805303,969033651846, 3742365310049,14475611770191,56073194209612, 217494453475571,844640587355439,3283870660839249] |