The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 4 |
| 7 | 5 |
| 8 | 8 |
| 9 | 8 |
| 10 | 8 |
| 11 | 9 |
| 12 | 9 |
| 13 | 10 |
| 14 | 11 |
| 15 | 14 |
| 16 | 14 |
| 17 | 14 |
| 18 | 15 |
| 19 | 18 |
| 20 | 18 |
| 21 | 19 |
| 22 | 19 |
| 23 | 21 |
| 24 | 21 |
| 25 | 23 |
| 26 | 24 |
| 27 | 27 |
| 28 | 27 |
| 29 | 27 |
| 30 | 27 |
| 31 | 32 |
| 32 | 32 |
| 33 | 32 |
| 34 | 33 |
[1,1,1,2,4,4,5,8,8,8,9,9,10,11,14,14,14,15,18,18, 19,19,21,21,23,24,27,27,27,27,32,32,32,33] |