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) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 0 |
| 7 | 0 |
| 8 | 1 |
| 9 | 1 |
| 10 | 0 |
| 11 | 2 |
| 12 | 2 |
| 13 | 3 |
| 14 | 4 |
| 15 | 7 |
| 16 | 10 |
| 17 | 17 |
| 18 | 28 |
| 19 | 47 |
| 20 | 69 |
[1,0,0,0,1,0,0,1,1,0,2,2,3,4,7,10,17,28,47,69] |