Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 2 |
4 | 4 |
5 | 9 |
6 | 20 |
7 | 44 |
8 | 113 |
9 | 329 |
10 | 1044 |
11 | 3622 |
12 | 13544 |
13 | 53596 |
14 | 223084 |
15 | 969158 |
[0,0,2,4,9,20,44,113,329,1044,3622,13544,53596, 223084,969158] |