Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 10 |
4 | 30 |
5 | 84 |
6 | 227 |
7 | 603 |
8 | 1589 |
9 | 4172 |
10 | 10936 |
11 | 28646 |
12 | 75013 |
13 | 196405 |
14 | 514215 |
15 | 1346254 |
16 | 3524562 |
17 | 9227448 |
18 | 24157799 |
19 | 63245967 |
20 | 165580121 |
21 | 433494416 |
22 | 1134903148 |
23 | 2971215050 |
24 | 7778742025 |
25 | 20365011049 |
26 | 53316291147 |
27 | 139583862418 |
[1,3,10,30,84,227,603,1589,4172,10936,28646,75013, 196405,514215,1346254,3524562,9227448,24157799, 63245967,165580121,433494416,1134903148, 2971215050,7778742025,20365011049,53316291147, 139583862418] |