The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 7 | 1 |
| 8 | 2 |
| 9 | 3 |
| 10 | 5 |
| 11 | 5 |
| 12 | 5 |
| 13 | 7 |
| 14 | 5 |
| 15 | 6 |
| 16 | 8 |
| 17 | 8 |
| 18 | 9 |
| 19 | 11 |
| 20 | 11 |
| 21 | 12 |
| 22 | 15 |
| 23 | 14 |
| 24 | 14 |
| 25 | 15 |
| 26 | 14 |
| 27 | 14 |
| 28 | 15 |
| 29 | 15 |
| 30 | 14 |
| 31 | 16 |
[1,2,3,5,5,5,7,5,6,8,8,9,11,11,12,15,14,14,15,14, 14,15,15,14,16] |