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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 5 |
| 12 | 5 |
| 13 | 17 |
| 14 | 17 |
| 15 | 37 |
| 16 | 37 |
| 17 | 167 |
| 18 | 167 |
| 19 | 1407 |
| 20 | 1407 |
| 21 | 11143 |
| 22 | 11143 |
| 23 | 90213 |
| 24 | 90213 |
| 25 | 1212859 |
[1,1,1,1,1,1,1,1,1,1,5,5,17,17,37,37,167,167,1407, 1407,11143,11143,90213,90213,1212859] |