The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 4 |
| 7 | 7 |
| 8 | 8 |
| 9 | 12 |
| 10 | 15 |
| 11 | 20 |
| 12 | 22 |
| 13 | 28 |
[0,0,0,1,1,3,4,7,8,12,15,20,22,28] |