Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 7 |
8 | 21 |
9 | 45 |
10 | 89 |
11 | 233 |
12 | 863 |
13 | 3251 |
14 | 15437 |
15 | 73625 |
16 | 393971 |
17 | 2328247 |
18 | 15894743 |
19 | 120359659 |
20 | 1040197243 |
21 | 9831811849 |
22 | 105976019467 |
[1,1,1,1,1,1,7,21,45,89,233,863,3251,15437,73625, 393971,2328247,15894743,120359659,1040197243, 9831811849,105976019467] |